January – October
| Date | Airlines/Operator | Flight number | Departure airport | Destination airport | Diverted to | Emergency code | Alleged reason | Aircraft | Registration |
|---|---|---|---|---|---|---|---|---|---|
| 31.10.2021 | United Airlines | UA2454 / UAL2454 | New York | Fort Myers | New York | bird strike | Airbus A320-232 | N463UA | |
| 31.10.2021 | Azimuth | A4101 / AZO101 | Moscow | Pskov | animal strike on landing | Sukhoi Superjet 100-95B | RA-89180 | ||
| 30.10.2021 | Royal Air Maroc | AT931 / RAM931G | Geneva | Casablanca | 7700 | pressurisation issue | Boeing 737-8B6 | CN-ROR | |
| 30.10.2021 | Corendon Airlines | XR2248 / CXI2248 | Hannover | Lanzarote | Malaga | medical emergency | Boeing 737-8BK | OM-GTH | |
| 30.10.2021 | Jet2 | LS190 / EXS9FQ | Palma de Mallorca | Glasgow | 7700 | Boeing 737-8MG | G-JZHY | ||
| 29.10.2021 | Southwest Airlines | WN377 / SWA377 | Oakland | San Diego | bird strike | Boeing 737 MAX 8 | N8701Q | ||
| 29.10.2021 | American Airlines | AA5104 / JIA5104 | Washington | Knoxville | Charlotte | possible landing gear issue | Mitsubishi CRJ-702ER | N525AE | |
| 28.10.2021 | Qantas | QF849 / QFA849 | Darwin | Perth | Broome | smell on board | Boeing 737-838 | VH-VYF | |
| 28.10.2021 | American Airlines | AA2006 / AAL2006 | Washington | Phoenix | Albuquerque | Airbus A321-253NX | N433AN | ||
| 28.10.2021 | TAROM | RO7681 / ROT7681 | Bucharest | Hurghada | Bucharest | bird strike | Airbus A318-111 | YR-ASC | |
| 28.10.2021 | Transavia | HV6730 / TRA6730 | Seville | Amsterdam | landing gear/tyre issue | Boeing 737-8K2 | PH-HXG | ||
| 27.10.2021 | American Airlines | AA1649 / AAL1649 | Charlotte | Orlando | bird strike | Boeing 737-823 | N826NN | ||
| 27.10.2021 | Loganair | LM326 / LOG87E | Southampton | Edinburgh | Bournemouth | 7700 | Embraer ERJ-145EU | G-SAJG | |
| 27.10.2021 | American Airlines | AA976 / AAL976 | New York | Santa Ana | Denver | disruptive passenger | Airbus A321-231 | N103NN | |
| 27.10.2021 | EgyptAir | MS729 / MSR729 | Cairo | Moscow | Cairo | 7700 | threatening message found on board | Airbus A220-300 | SU-GEZ |
| 26.10.2021 | Iberia | IB6586 / IBE6586 | Bogota | Madrid | bird strike | Airbus A350-941 | EC-NDR | ||
| 26.10.2021 | Air Canada | AC8944 / JZA944 | Toronto | Moncton | Montreal | cracked windshield | Embraer E175SU | C-FEKD | |
| 26.10.2021 | Loganair | LM16 / LOG53H | Aberdeen | Norwich | Aberdeen | 7700 | Embraer ERJ-145EP | G-RJXH | |
| 25.10.2021 | Southwest Airlines | WN1812 / SWA1812 | Phoenix | Dallas | Phoenix | electrical issue | Boeing 737-8H4 | N8657B | |
| 25.10.2021 | EgyptAir | MS2677 / MSR2677 | Cairo | Medina | tyre issue | Boeing 737-866 | SU-GEE | ||
| 25.10.2021 | Qantas | QF888 / QFA888 | Perth | Adelaide | Kalgoorlie | potential fuel system issue | Boeing 737-838 | VH-VZT | |
| 24.10.2021 | Southwest Airlines | WN611 / SWA611 | Nashville | Burbank | Los Angeles | flaps issue | Boeing 737-7H4 | N728SW | |
| 24.10.2021 | American Airlines | AA3 / AAL3 | New York | Los Angeles | Madison | smoke in cabin | Airbus A321-231 | N104NN | |
| 23.10.2021 | American Airlines | AA5101 / JIA5101 | Washington | Windsor Locks | Washington | door open indication | Mitsubishi CRJ-702ER | N532EA | |
| 23.10.2021 | Frontier Airlines | F91159 / FFT1159 | Norfolk | Orlando | Raleigh-Durham | fumes/odor in cabin | Airbus A320-251N | N304FR | |
| 23.10.2021 | Air France | AF842 / AFR842 | Paris | Fort-de-France | Brest | 7700 | medical emergency | Boeing 777-328(ER) | F-GSQX |
| 23.10.2021 | Lufthansa | LH1554 / DLH1554 | Frankfurt | Heraklion | bird strike | Airbus A321-271NX | D-AIEF | ||
| 23.10.2021 | Azul Linhas Aereas | AD5069 / AZU5069 | Campinas | Presidente Prudente | Sao Jose Do Rio Preto | turbulence encountered (may not be a reason for diversion) | ATR 72-600 | PR-TKJ | |
| 22.10.2021 | Azul Linhas Aereas | AD4421 / AZU4421 | Montes Claros | Belo Horizonte | Montes Claros | technical issue | ATR 72-600 | PR-TKK | |
| 22.10.2021 | Jazeera Airways | J97 / JZR007 | Kuwait City | London | radio communication issue | Airbus A320-251N | 9K-CBH | ||
| 22.10.2021 | Aeroflot | SU6230 / SDM6230 | Nizhny Novgorod | Moscow | Nizhny Novgorod | landing gear issue | Sukhoi Superjet 100-95B | RA-89058 | |
| 21.10.2021 | United Airlines | UA1928 / UAL1928 | Chicago | Madison | bird strike | Boeing 737-724 | N38727 | ||
| 21.10.2021 | Spirit Airlines | NK3044 / NKS3044 | Atlantic City | Fort Lauderdale | bird strike | Airbus A320-271N | N901NK | ||
| 21.10.2021 | Vistara | UK818 / VTI818 | Bengaluru | Delhi | Indore | medical emergency | Airbus A320-251N | VT-TNL | |
| 21.10.2021 | EasyJet | U2511 / EZY17WA | Glasgow | Birmingham | Glasgow | 7700 | medical emergency | Airbus A320-214 | G-EZTK |
| 20.10.2021 | Red Wings | WZ1279 / RWZ1279 | Chelyabinsk | Norilsk | Chelyabinsk | technical issue | Sukhoi Superjet 100-95B | RA-89144 | |
| 20.10.2021 | Air France | AF342 / AFR342 | Paris | Montreal | St. John's | Boeing 777-228(ER) | F-GSPQ | ||
| 20.10.2021 | Aeroflot | SU6133 / SDM6133 | St. Petersburg | Grozny | Moscow | air-conditioning issue | Sukhoi Superjet 100-95B | RA-89142 | |
| 20.10.2021 | Turkish Airlines | TK8 / THY8 | Washington | Istanbul | Shannon | medical emergency | Boeing 777-3F2(ER) | TC-LJB | |
| 20.10.2021 | Aeromexico | AM2 / AMX002 | Madrid | Mexico City | Madrid | medical emergency | Boeing 787-9 Dreamliner | N128AM | |
| 20.10.2021 | British Airways | BA2551 / BAW2551 | Malaga | London | Bordeaux | 7700 | Airbus A320-232 | G-EUUA | |
| 20.10.2021 | Yakutia Airlines | R39664 / SYL9664 | Naberezhnye Chelny | Barnaul | Naberezhnye Chelny | 7700 | pressurisation issue | Boeing 737-86N | VQ-BMP |
| 19.10.2021 | Hainan Airlines | HU7635 / CHH7635 | Beijing | Changsha | Beijing | Airbus A330-343 | B-303Z | ||
| 19.10.2021 | Gol Linhas Aéreas | G31603 / GLO1603 | Porto Seguro | Porto Seguro | Sao Paulo | smoke in cabin | Boeing 737-8EH | PR-GXT | |
| 19.10.2021 | Pegas Fly | EO1811 / KAR1811 | Moscow | Antalya | Rostov-on-Don | electrical issue | Boeing 767-3Q8(ER) | VQ-BTQ | |
| 18.10.2021 | Air Canada | AC319 / ACA319 | Montreal | Calgary | Toronto | engine oil indication | Boeing 787-8 Dreamliner | C-GHPY | |
| 17.10.2021 | United Airlines | UA4320 / UCA4320 | Mobile | Houston | bird strike | Embraer ERJ-145XR | N12163 | ||
| 17.10.2021 | Rossiya | FV5616 / SDM5616 | Sochi | St. Petersburg | landing gear issue | Boeing 737-8LJ | VP-BOB | ||
| 17.10.2021 | Air Astana | KC9530 / KZR9530 | Almaty | Nur-Sultan | Almaty | airspeed indication issue | Embraer E190-E2 | P4-KHE | |
| 17.10.2021 | Air New Zealand | NZ825 / ANZ825 | Auckland | Perth | Auckland | air-conditioning issue | Boeing 787-9 Dreamliner | ZK-NZD | |
| 16.10.2021 | Wingo Airlines | P57436 / RPB7436 | Medellin | Punta Cana | Medellin | engine shut down | Boeing 737-8V3 | HP-1532CMP | |
| 16.10.2021 | American Airlines | AA199 / AAL199 | Milan | New York | London | Boeing 777-223(ER) | N768AA | ||
| 16.10.2021 | Iberia | IB3207 / IBE3207 | Brussels | Madrid | medical emergency | Airbus A320-251N | EC-NCM | ||
| 16.10.2021 | American Airlines | AA4965 / RPA4965 | Memphis | Washington | hydraulic issue | Embraer E175LR | N404YX | ||
| 15.10.2021 | Air Canada | AC8630 / JZA630 | Ottawa | Halifax | Ottawa | cargo door indication | De Havilland Canada Dash 8-400 | C-GJZK | |
| 15.10.2021 | Air Europa | UX45 / AEA045 | Madrid | Montevideo | engine shut down | Boeing 787-9 Dreamliner | EC-NFM | ||
| 15.10.2021 | Japan Airlines | JL15 / JAL15 | Los Angeles | Tokyo | Los Angeles | engine issue | Boeing 777-346(ER) | JA740J | |
| 15.10.2021 | Air France | AF1062 / AFR65QC | Paris | Stockholm | Paris | anti-ice issue | Airbus A320-214 | F-HEPK | |
| 15.10.2021 | Itapemirim | 8I5616 / IPM5616 | Sao Paulo | Porto Alegre | Sao Paulo | bird strike | Airbus A320-232 | PS-SPJ | |
| 15.10.2021 | KLM | KL677 / KLM677 | Amsterdam | Calgary | Glasgow Prestwick | 7700 | smoke in cabin | Airbus A330-303 | PH-AKA |
| 15.10.2021 | LATAM Airlines | LA3377 / 3377 | Belem | Brasilia | tail strike on landing | Airbus A321-231 | PT-MXF | ||
| 15.10.2021 | FlyEgypt | FT3103 / FEG3103 | Hurghada | Cluj-Napoca | tyre issue | Boeing 737-76J | SU-TMM | ||
| 14.10.2021 | Spirit Airlines | NK139 / NKS139 | New York | Orlando | bird strike | Airbus A321-231 | N682NK | ||
| 14.10.2021 | Itapemirim | 8I5610 / IPM5610 | Brasilia | Recife | rejected takeoff due to bird strike | Airbus A320-232 | PS-SFC | ||
| 14.10.2021 | United Airlines | UA4652 / SKW4652 | Aspen | Los Angeles | Grand Junction | bird strike | Mitsubishi CRJ-701ER | N779SK | |
| 14.10.2021 | Air Canada | AC7667 / JZA7667 | Toronto | Dallas | Memphis | pressurisation issue | Embraer E175SU | C-FEKJ | |
| 14.10.2021 | EasyJet | U26793 / EZY32GW | Belfast | Faro | Belfast | technical issue | Airbus A320-251N | G-UZLM | |
| 14.10.2021 | Iberia | IB6586 / IBE6586 | Bogota | Madrid | medical emergency | Airbus A350-941 | EC-NDR | ||
| 13.10.2021 | Binter Canarias | NT5501 / IBB6FL | Zaragoza | Gran Canaria | medical emergency | Embraer E195-E2 | EC-NPU | ||
| 13.10.2021 | Air Canada | AC8708 / JZA708 | Montreal | Quebec | smoke in cockpit | De Havilland Canada Dash 8-400 | C-GGOK | ||
| 13.10.2021 | American Airlines | AA4696 / RPA4696 | Boston | Washington | Boston | bird strike | Embraer E175LR | N111HQ | |
| 13.10.2021 | TUI fly | X3322 / TOM322 | Aberdeen | Tenerife | Glasgow | 7700 | medical emergency | Boeing 737-8K5 | G-FDZZ |
| 13.10.2021 | Ryanair | FR2131 / RYR2JH | Manchester | Lanzarote | Liverpool | bird strike | Boeing 737-8AS | EI-EKR | |
| 12.10.2021 | United Airlines | UA59 / UAL59 | Frankfurt | San Francisco | Dublin | medical emergency | Boeing 777-322(ER) | N2138U | |
| 12.10.2021 | Wings Air | IW1878 / WON1878 | Lombok | Bima | Lombok | pressurisation issue (allegedly after passenger opened emergency exit) | ATR 72-600 | PK-WJU | |
| 12.10.2021 | United Airlines | UA3719 / RPA3719 | Indianapolis | New York | Indianapolis | Embraer E175LR | N736YX | ||
| 11.10.2021 | United Airlines | UA1777 / UAL1777 | Houston | Los Angeles | San Antonio | Boeing 737-924(ER) | N45440 | ||
| 11.10.2021 | Frontier Airlines | F973 / FFT73 | Cancun | Denver | Cancun | flight control vibrations | Airbus A320-251N | N335FR | |
| 11.10.2021 | Ryanair | FR8179 / RYR8CB | Tenerife | Brussels | Tenerife | possible technical issue | Boeing 737-8AS | EI-ENP | |
| 10.10.2021 | Azul Linhas Aereas | AD8704 / AZU8704 | Campinas | Fort Lauderdale | Campinas | engine issue | Airbus A330-243 | PR-AIZ | |
| 10.10.2021 | Eurowings | EW9613 / EWG5TH | Corfu | Dusseldorf | Corfu | bird strike | Airbus A320-214 | D-AEWI | |
| 10.10.2021 | Blue Air | 0B180 / BLA9DZ | Prague | Bucharest | pressurisation issue | Boeing 737-530 | YR-AME | ||
| 09.10.2021 | Jordan Aviation | R54494 / JAV4494 | Paris | Islamabad | Sofia | medical emergency | Airbus A330-203 | JY-JVB | |
| 09.10.2021 | American Airlines | AA4817 / RPA4817 | Indianapolis | New York | disruptive passenger | Embraer E175LR | N437YX | ||
| 08.10.2021 | Air Inuit | 3H781 / AIE781 | La Grande Riviere | Puvirnituq | flaps issue | Boeing 737-275C(A) | C-GOPW | ||
| 08.10.2021 | Southwest Airlines | WN659 / SWA659 | Orlando | Chicago | Milwaukee | possible anti-skid issue | Boeing 737-7Q8 | N7867A | |
| 08.10.2021 | FlyEgypt | FT1821 / FEG1821 | Hurghada | Frankfurt | landing gear issue | Boeing 737-82R | SU-TMJ | ||
| 07.10.2021 | Jazeera Airways | J9313 / JZR313 | Kuwait City | Trabzon | bomb threat | Airbus A320-251N | 9K-CBG | ||
| 07.10.2021 | Iran Air | IR3312 / IRA3312 | Tehran | Isfahan | Tehran | 7700 | engine issue | ATR 72-600 | EP-ITC |
| 07.10.2021 | Ryanair | FR3689 / RYR3689 | Marrakesh | Berlin | Madrid | medical emergency | Boeing 737-8AS | EI-EPB | |
| 07.10.2021 | Air New Zealand | NZ8761 / ANZ761L | New Plymouth | Christchurch | smoke/haze on board | De Havilland Canada Dash 8-300 | ZK-NEH | ||
| 06.10.2021 | EasyJet | U26763 / EZY6763 | Belfast | Tenerife | Belfast | medical emergency | Airbus A320-251N | G-UZLM | |
| 06.10.2021 | American Airlines | AA2524 / AAL2524 | Miami | Dallas | Miami | tyre issue | Boeing 787-8 Dreamliner | N801AC | |
| 06.10.2021 | Afriqiyah Airways | 8U974 / AAW974 | Misrata | Istanbul | Misrata | 7700 | pressurisation issue | Airbus A320-214 | 5A-ONO |
| 06.10.2021 | Emirates | EK2 / UAE2 | London | Dubai | Istanbul | medical emergency | Airbus A380-842 | A6-EVN | |
| 05.10.2021 | TUI fly Belgium | TB2522 / JAF8KE | Al Hoceima | Brussels | Paris | 7700 | Embraer E190STD | OO-JEM | |
| 05.10.2021 | Eurowings | EW7537 / EWG8NL | Malaga | Hamburg | Malaga | hydraulic issue | Airbus A320-214 | D-ABNH | |
| 05.10.2021 | Air India | AI150 / AIC150 | London | Cochin | Frankfurt | medical emergency | Boeing 787-8 Dreamliner | VT-ANA | |
| 05.10.2021 | Turkish Airlines | TK715 / THY715E | Lahore | Istanbul | bird strike | Boeing 777-3F2(ER) | TC-JJJ | ||
| 04.10.2021 | Air Canada | AC7263 / ACA7263 | Atlanta | Miami | possible tyre issue | Boeing 787-9 Dreamliner | C-FRSO | ||
| 04.10.2021 | United Airlines | UA2634 / UAL2634 | Washington | Denver | Wichita | Boeing 737 MAX 9 | N47512 | ||
| 04.10.2021 | Jet2 | LS776 / EXS28PL | Alicante | Edinburgh | 7700 | medical emergency | Boeing 737-86N | G-DRTW | |
| 03.10.2021 | Air Canada | AC7707 / JZA7707 | Washington | Toronto | cracked windshield | Mitsubishi CRJ-900LR | C-GJZS | ||
| 03.10.2021 | Azul Linhas Aereas | AD4745 / AZU4745 | Campinas | Brasilia | Campinas | pressurisation issue | Embraer E195-E2 | PS-AEG | |
| 03.10.2021 | Aeroflot | SU2844 / AFL2844 | St. Petersburg | Osh | Kazan | medical emergency | Airbus A320-214 | VP-BFA | |
| 03.10.2021 | S7 Airlines | S72007 / SBI2007 | Moscow | Simferopol | Rostov-on-Don | engine issue | Boeing 737-83N | VP-BND | |
| 03.10.2021 | Serene Air | ER500 / SEP500 | Karachi | Islamabad | bird strike | Airbus A330-203 | AP-BNF | ||
| 03.10.2021 | Vueling | VY1451 / VLG217P | Alicante | Bilbao | Alicante | door open indication | Airbus A320-214 | EC-MVO | |
| 02.10.2021 | United Airlines | UA2631 / UAL2631 | New York | Houston | New York | mechanical issue | Boeing 737 MAX 8 | N27252 | |
| 02.10.2021 | Air Astana | KC7123 / KZR7123 | Almaty | Karaganda | Almaty | technical issue | Airbus A320-232 | P4-KBB | |
| 02.10.2021 | Spirit Airlines | NK3044 / NKS3044 | Atlantic City | Fort Lauderdale | possible bird ingestion | Airbus A320-271N | N922NK | ||
| 02.10.2021 | Iberia | IB539 / IBE0539 | Vigo | Madrid | Porto | 7700 | landing gear issue | Airbus A320-216 | EC-LXQ |
| 02.10.2021 | United Airlines | UA408 / UAL408 | New York | Portland | Boeing 757-224 | N17126 | |||
| 02.10.2021 | United Airlines | UA4804 / SKW4804 | Denver | Memphis | Wichita | 7700 | Embraer E175LL | N604UX | |
| 01.10.2021 | American Airlines | AA2531 / AAL2531 | Philadelphia | Orlando | Philadelphia | bird strike | Airbus A321-231 | N917UY | |
| 01.10.2021 | Turkish Airlines | TK2184 / THY7KF | Istanbul | Ankara | Istanbul | pressurisation issue | Boeing 737-9F2(ER) | TC-JYA | |
| 01.10.2021 | KLM | KL1620 / KLM96K | Milan | Amsterdam | Cologne | 7700 | Boeing 737-7K2 | PH-BGG | |
| 01.10.2021 | British Airways | BA2678 / BAW26DB | London | Dubrovnik | London | 7700 | technical issue | Airbus A320-232 | G-EUYO |
| 01.10.2021 | Corendon Airlines | XR1050 / CXI1050 | Cologne | Rhodes | medical emergency | Boeing 737-85R | 9H-TJE | ||
| 30.09.2021 | Air Cairo | SM2980 / MSC2980 | Hurghada | Dusseldorf | Zagreb | engine issue | Airbus A320-214 | SU-BPV | |
| 30.09.2021 | IndiGo | 6E946 / IGO946 | Kolkata | Hyderabad | Bhubaneswar | medical emergency | Airbus A320-271N | VT-IVC | |
| 30.09.2021 | Smartwings | QS1196 / TVS45G | Prague | Antalya | Prague | technical issue | Boeing 737-9GJ(ER) | OK-TSM | |
| 29.09.2021 | United Airlines | UA743 / UAL743 | Washington | New York | bird strike | Airbus A319-132 | N4888U | ||
| 29.09.2021 | United Airlines | UA2840 / UAL2840 | Honolulu | New York | Honolulu | fuel pump issue | Boeing 767-424(ER) | N76064 | |
| 29.09.2021 | Southwest Airlines | WN5885 / SWA5885 | Kansas City | Tampa | Birmingham | Boeing 737-7H4 | N942WN | ||
| 29.09.2021 | Iberia | IB3279 / IBE32VF | Budapest | Madrid | medical emergency | Airbus A319-111 | EC-JAZ | ||
| 29.09.2021 | American Airlines | AA920 / AAL920 | Cali | Miami | disruptive passenger | Boeing 737 MAX 8 | N338RS | ||
| 29.09.2021 | JetSMART | JA650 / JAT650 | Santiago | Cali | Iquique | engine issue | Airbus A320-271N | CC-AWO | |
| 29.09.2021 | NordStar | Y7217 / TYA217 | Krasnoyarsk | Norilsk | flaps issue | Boeing 737-8K5 | VQ-BDO | ||
| 29.09.2021 | United Airlines | UA85 / UAL85 | Tel Aviv | New York | Tel Aviv | flaps issue | Boeing 787-10 Dreamliner | N16008 | |
| 28.09.2021 | WestJet | WS3448 / WEN3448 | Terrace | Vancouver | Terrace | technical issue | De Havilland Canada Dash 8-400 | C-GJWE | |
| 28.09.2021 | Wizz Air | W63660 / WZZ103K | Eindhoven | Iasi | hydraulic issue | Airbus A320-232 | HA-LWM | ||
| 28.09.2021 | United Airlines | UA362 / UAL362 | Honolulu | New York | Honolulu | mechanical issue | Boeing 767-424(ER) | N76064 | |
| 28.09.2021 | American Airlines | AA2247 / AAL2247 | Miami | Boston | Norfolk | smoke in cockpit/person smoking in bathroom | Boeing 737-823 | N868NN | |
| 28.09.2021 | Lufthansa | LH1972 / DLH5LJ | Munich | Cologne | Munich | landing gear issue | Airbus A319-114 | D-AILP | |
| 27.09.2021 | United Airlines | UA1117 / UAL1117 | Denver | New York | tailstrike on takeoff | Boeing 757-224 | N12125 | ||
| 27.09.2021 | United Airlines | UA4404 / GJS4404 | Charlotte | Chicago | Lexington | possible technical issue | Mitsubishi CRJ-550 | N553GJ | |
| 27.09.2021 | Citilink | QG944 / CTV944 | Jakarta | Batam | Palembang | disruptive passenger | Airbus A320-214 | PK-GLY | |
| 27.09.2021 | Southwest Airlines | WN2830 / SWA2830 | Santa Ana | Phoenix | flight control issue | Boeing 737-7H4 | N254WN | ||
| 27.09.2021 | Libyan Airlines | LN192 / LAA192 | Tripoli | Istanbul | Tripoli | tyre issue | Airbus A330-202 | 5A-LAR | |
| 27.09.2021 | Buddha Air | U4701 / BHA701 | Kathmandu | Biratnagar | Kathmandu | landing gear issue | ATR 72-500 | 9N-ANI | |
| 26.09.2021 | Smartwings | QS1196 / TVS45G | Prague | Antalya | Prague | technical issue | Boeing 737-86Q | OK-TVW | |
| 26.09.2021 | American Airlines | AA771 / AAL771 | Charlotte | Portland | Charlotte | possible mechanical issue | Airbus A319-112 | N747UW | |
| 26.09.2021 | Ryanair | FR1683 / RYR2WF | Bergerac | East Midlands | Paris Beauvais-Tille Airport | 7700 | medical emergency | Boeing 737-8AS | EI-DWE |
| 26.09.2021 | Air Canada | AC1654 / ROU1654 | Toronto | Tampa | Toronto | Airbus A320-214 | C-GFCH | ||
| 25.09.2021 | Air Canada | AC8476 / JZA476 | Grande Prairie | Calgary | flaps issue | De Havilland Canada Dash 8-400 | C-GJZF | ||
| 25.09.2021 | Azur Air | ZF347 / AZV347 | Yekaterinburg | Sochi | Krasnodar | lightning strike | Boeing 737-8Q8 | VP-BIR | |
| 25.09.2021 | Delta Air Lines | DL148 / DAL148 | Atlanta | Athens | possible hydraulic issue | Airbus A330-302 | N826NW | ||
| 24.09.2021 | JetBlue | B61401 / JBU1401 | New York | Fort Lauderdale | New York | bird strike | Airbus A321-231 | N995JL | |
| 24.09.2021 | Aeroflot | SU1639 / AFL1639 | Omsk | Moscow | Kazan | medical emergency | Airbus A321-211 | VP-BKZ | |
| 24.09.2021 | Hawaiian Airlines | HA460 / HAL460 | Seoul | Honolulu | Midway Atoll | oil pressure indication | Airbus A330-243 | N386HA | |
| 24.09.2021 | Aer Lingus | EI127 / EIN1YE | Dublin | Toronto | Gander | technical issue | Airbus A321-253N | EI-LRE | |
| 24.09.2021 | United Airlines | UA1523 / UAL1523 | Washington | Guatemala City | Jacksonville | Boeing 737-824 | N86534 | ||
| 24.09.2021 | Air India | AI549 / AIC549 | Chennai | Port Blair | Chennai | technical issue | Airbus A321-211 | VT-PPF | |
| 23.09.2021 | Hawaiian Airlines | HA43 / HAL43 | San Jose | Honolulu | tail strike on landing | Airbus A321-271N | N208HA | ||
| 23.09.2021 | American Airlines | AA1580 / AAL1580 | Charlotte | San Francisco | Denver | Airbus A321-231 | N921US | ||
| 23.09.2021 | Air Astana | KC917 / KZR917 | Nur-Sultan | Istanbul | Atyrau | technical issue | Boeing 767-3KY(ER) | P4-KEA | |
| 23.09.2021 | Japan Airlines | JL11 / JAL11 | Dallas | Tokyo | Dallas | maintenance | Boeing 787-9 Dreamliner | JA877J | |
| 23.09.2021 | Hawaiian Airlines | HA22 / HAL22 | Honolulu | Seattle | Honolulu | disruptive passenger | Airbus A330-243 | N374HA | |
| 23.09.2021 | Hawaiian Airlines | HA152 / HAL152 | Honolulu | Hilo | Honolulu | disruptive passenger | Boeing 717-26R | N489HA | |
| 23.09.2021 | WestJet | WS4020 / WJA4020 | Calgary | Fort MacKay | Edmonton | engine issue | Boeing 737-7CT | C-GVWJ | |
| 23.09.2021 | Air France | AF7622 / AFR25FP | Paris | Bordeaux | Paris | 7700 | smoke on board | Airbus A320-214 | F-GKXQ |
| 22.09.2021 | American Airlines | AA1444 / AAL1444 | New York | Charlotte | New York | hydraulic issue | Boeing 737-823 | N836NN | |
| 22.09.2021 | American Airlines | AA2752 / AAL2752 | Dallas | Washington | Dallas | possible engine issue | Boeing 737-823 | N880NN | |
| 22.09.2021 | Air Canada | AC740 / ACA740 | San Francisco | Toronto | Vancouver | hydraulic issue | Airbus A321-211 | C-GJWO | |
| 22.09.2021 | British Airways | BA260 / BAW260 | Islamabad | London | Tashkent | medical emergency | Boeing 777-236(ER) | G-YMME | |
| 21.09.2021 | Flair Airlines | F8384 / FLE384 | Ottawa | Vancouver | Ottawa | medical emergency | Boeing 737 MAX 8 | C-FLKC | |
| 21.09.2021 | Jet2 | LS1259 / EXS9GM | Birmingham | Gran Canaria | Faro | 7700 | technical issue | Boeing 737-8K5 | G-JZHB |
| 20.09.2021 | Ural Airlines | U61070 / SVR1070 | Antalya | Yekaterinburg | Sochi | medical emergency | Airbus A321-231 | VQ-BCE | |
| 19.09.2021 | Allegiant Air | G42601 / AAY2601 | Knoxville | Boston | landing gear issue | Airbus A320-214 | N220NV | ||
| 18.09.2021 | Lufthansa | LH1507 / DLH1507 | Palma de Mallorca | Frankfurt | medical emergency | Airbus A320-214 | D-AIWI | ||
| 18.09.2021 | Alaska Airlines | AS2188 / QXE2188 | Sacramento | Portland | Sacramento | bird strike | Embraer E175LR | N645QX | |
| 18.09.2021 | LOT | LO417 / LOT4ME | Warsaw | Geneva | 7700 | flaps issue | Embraer E170STD | SP-LDI | |
| 18.09.2021 | Air France | AF393 / AFR393 | Beijing | Paris | Beijing | air conditioning issue | Boeing 777-328(ER) | F-GSQD | |
| 17.09.2021 | Air Canada | AC289 / ACA289 | Terrace | Vancouver | flaps issue | Airbus A320-214 | C-GKOD | ||
| 17.09.2021 | Delta Air Lines | DL2548 / DAL2548 | Atlanta | Knoxville | landing gear issue | Boeing 717-231 | N924AT | ||
| 17.09.2021 | KLM | KL1387 / KLM1387 | Amsterdam | Kyiv | Amsterdam | pressurisation issue | Boeing 737-9K2 | PH-BXO | |
| 17.09.2021 | Enter Air | E41068 / ENT1068 | Mombasa | Warsaw | Addis Ababa | engine issue | Boeing 737-8CX | SP-ENG | |
| 17.09.2021 | Aeroflot | SU1639 / AFL1639 | Omsk | Moscow | Kazan | medical emergency | Airbus A321-211 | VP-BKZ | |
| 17.09.2021 | American Airlines | AA240 / AAL240 | Dallas | Rome | New York | Boeing 787-9 Dreamliner | N839AA | ||
| 17.09.2021 | VivaAerobús | VB5029 / VIV5029 | Silao | Tijuana | Silao | engine issue | Airbus A320-232 | XA-VAP | |
| 17.09.2021 | Ryanair | FR2377 / RYR73DT | Berlin | Edinburgh | 7700 | possible tyre issue | Boeing 737-8AS | EI-DPG | |
| 16.09.2021 | Aeroflot | SU1443 / AFL1443 | Irkutsk | Moscow | Novosibirsk | medical emergency | Boeing 737-8LJ | VP-BKE | |
| 15.09.2021 | Aeroflot | SU6694 / SDM6694 | Antalya | St. Petersburg | 7700 | bird strike | Airbus A319-111 | VQ-BAS | |
| 15.09.2021 | Ryanair | FR3054 / RYR32ZN | Krakow | Barcelona | medical emergency | Boeing 737-8AS | EI-ENT | ||
| 15.09.2021 | Lufthansa | LH434 / DLH2C | Munich | Chicago | Frankfurt | tyre issue | Airbus A350-941 | D-AIXK | |
| 14.09.2021 | Air India | AI469 / AIC469 | Raipur | Delhi | rejected takeoff due to bird strike | Airbus A320-214 | VT-EXB | ||
| 13.09.2021 | Air India Express | IX535 / AXB535 | Thiruvananthapuram | Sharjah | Thiruvananthapuram | technical issue | Boeing 737-8HG | VT-AXT | |
| 13.09.2021 | Emirates | EK216 / UAE216 | Los Angeles | Dubai | Toronto | medical emergency | Airbus A380-842 | A6-EUU | |
| 13.09.2021 | Austrian Airlines | OS570 / AUA570 | Zurich | Vienna | Zurich | Airbus A319-112 | OE-LDD | ||
| 12.09.2021 | Air Canada | AC763 / ACA763 | Montreal | San Francisco | engine issue | Airbus A220-300 | C-GJYI | ||
| 12.09.2021 | British Airways | BA636 / BAW636 | London | Athens | Milan | Airbus A320-232 | G-EUYH | ||
| 12.09.2021 | Ryanair | FR7054 / RYR340Y | Dublin | Malaga | Bristol | Boeing 737-8AS | EI-DHZ | ||
| 12.09.2021 | Vueling | VY3801 / VLG22CW | Mahon | Bilbao | medical emergency | Airbus A320-214 | EC-MAO | ||
| 12.09.2021 | United Airlines | UA1290 / UAL1290 | Houston | San Salvador | Boeing 737-824 | N37252 | |||
| 12.09.2021 | United Airlines | UA1290 / UAL1290 | Houston | San Salvador | Boeing 737-824 | N37252 | |||
| 11.09.2021 | Cathay Pacific | CX390 / CPA390 | Hong Kong | Beijing | bomb threat | Airbus A330-343 | B-LAO | ||
| 11.09.2021 | Westjet | WS3210 / WEN3210 | Comox | Calgary | landing gear issue | De Havilland Canada Dash 8-400 | C-GENM | ||
| 11.09.2021 | Edelweiss Air | WK371 / EDW63B | Larnaca | Zurich | Graz | disruptive passenger | Airbus A320-214 | HB-IHX | |
| 11.09.2021 | TAP Air Portugal | TP231 / TAP231 | Lisbon | Washington | Lisbon | hydraulic issue | Airbus A321-251NX | CS-TXA | |
| 11.09.2021 | TAP Air Portugal | TP946 / TAP946B | Lisbon | Geneva | Lisbon | altimeter issue | Airbus A320-214 | CS-TNJ | |
| 11.09.2021 | KLM | KL1841 / KLM1841 | Amsterdam | Vienna | Amsterdam | weather radar issue | Embraer E175STD | PH-EXP | |
| 11.09.2021 | Azur Air | ZF268 / AZV268 | Antalya | Vladivostok | Krasnoyarsk | hydraulic issue | Boeing 767-306(ER) | RA-73034 | |
| 11.09.2021 | Azimuth | A4335 / AZO335 | Krasnodar | Perm | landing gear issue | Sukhoi Superjet 100-95B | RA-89180 | ||
| 11.09.2021 | Ural Airlines | U6100 / SVR100 | Moscow | Novosibirsk | Yekaterinburg | airspeed and altitude indication issue | Airbus A321-211 | VQ-BKG | |
| 10.09.2021 | Aeroflot | SU107 / AFL107 | Los Angeles | Moscow | Edmonton | fumes in cabin | Boeing 777-3M0(ER) | VQ-BUC | |
| 10.09.2021 | Alitalia | AZ1900 / AZA1900 | Olbia | Rome | rejected takeoff due to bird strike | Airbus A320-214 | I-BIKO | ||
| 10.09.2021 | Austrian Airlines | OS229 / AUA2GZ | Vienna | Berlin | Vienna | odor on board | Airbus A321-211 | OE-LBE | |
| 10.09.2021 | Azur Air | ZF434 / AZV434 | Antalya | Belgorod | Antalya | 7700 | technical issue | Boeing 757-2Q8 | VQ-BEY |
| 10.09.2021 | Azul Linhas Aereas | AD2865 / AZU2865 | Campinas | Curitiba | engine issue | Embraer E195-E2 | PS-AEC | ||
| 09.09.2021 | KlasJet | KLJ2703 | Reykjavik | Frankfurt | Edinburgh | 7700 | technical issue | Boeing 737-522 | LY-FLT |
| 09.09.2021 | Air Canada | AC74 / ACA74 | Montreal | Cairo | Montreal | Boeing 787-8 Dreamliner | C-GHQY | ||
| 09.09.2021 | Air Canada | AC8886 / JZA886 | Montreal | Deer Lake | Halifax | Mitsubishi CRJ-900LR | C-GJZT | ||
| 09.09.2021 | TAROM | RO630 / ROT630E | Oradea | Bucharest | rejected takeoff | ATR 72-600 | YR-ATJ | ||
| 08.09.2021 | S7 Airlines | S72169 / SBI2169 | Moscow | Mineralnye Vody | Moscow | bird strike | Airbus A320-214 | VP-BCZ | |
| 08.09.2021 | Gol Linhas Aéreas | G31602 / GLO1602 | Sao Paulo | Porto Seguro | Sao Paulo | engine issue | Boeing 737-8EH | PR-GGP | |
| 08.09.2021 | Turkish Airlines | TK42 / THY42A | Istanbul | Johannesburg | Istanbul | engine issue | Airbus A330-303 | TC-JOB | |
| 08.09.2021 | Ryanair | FR5351 / RYS5351 | Katowice | Antalya | Bucharest | lavatory issue | Boeing 737-8AS | SP-RKK | |
| 07.09.2021 | Air Canada | AC8637 / JZA637 | Halifax | Ottawa | Halifax | technical issue | De Havilland Canada Dash 8-400 | C-GJZX | |
| 07.09.2021 | JetBlue | B62206 / JBU2206 | Portland | New York | Minneapolis | Airbus A321-231 | N973JT | ||
| 07.09.2021 | Air France | AF378 / AFR378 | Paris | Detroit | Toronto | Boeing 787-9 Dreamliner | F-HRBH | ||
| 07.09.2021 | Air Canada | AC1040 / ACA1040 | Denver | Toronto | engine shut down | Airbus A220-300 | C-GMZN | ||
| 07.09.2021 | Vueling | VY7574 / VLG7574 | Barcelona | Banjul | Gran Canaria | disruptive passenger | Airbus A320-214 | EC-MAI | |
| 06.09.2021 | IndiGo | 6E2329 / IGO2329 | Guwahati | Delhi | Guwahati | bird strike | Airbus A320-271N | VT-IZF | |
| 06.09.2021 | Qatar Airways | QR738 / QTR67L | San Francisco | Doha | Calgary | Airbus A350-1041 | A7-ANQ | ||
| 06.09.2021 | Aer Lingus | EI123 / EIN123 | Dublin | Chicago | rejected takeoff due to engine issue | Airbus A330-302 | EI-FNG | ||
| 05.09.2021 | Air Canada | AC2340 / ACA2340 | San Antonio | Toronto | San Antonio | slat issue | Boeing 787-9 Dreamliner | C-FNOH | |
| 05.09.2021 | Georgian Airways | A9681 / TGZ681 | Tbilisi | Vienna | Tbilisi | landing gear issue | Boeing 737-8FH | 4L-TGC | |
| 04.09.2021 | Iberia | IB8517 / ANE17VX | Ibiza | Palma de Mallorca | landing gear issue | Mitsubishi CRJ-1000 | EC-LJS | ||
| 04.09.2021 | Alaska Airlines | AS109 / ASA109 | Seattle | Anchorage | Juneau | disruptive passenger | Boeing 737-990(ER) | N275AK | |
| 04.09.2021 | Alaska Airlines | AS1 / ASA1 | Washington | Seattle | Fargo | Airbus A321-253N | N922VA | ||
| 04.09.2021 | SAS | SK7347 / SAS7347 | Bergen | Split | tail strike on landing | Airbus A320-251N | SE-ROJ | ||
| 03.09.2021 | KLM | KL590 / KLM590 | Accra | Amsterdam | rejected takeoff due to bird strike | Boeing 777-306(ER) | PH-BVK | ||
| 03.09.2021 | Aeroflot | SU6503 / SDM6503 | Moscow | Belgorod | Moscow | 7700 | technical issue | Sukhoi Superjet 100-95B | RA-89046 |
| 02.09.2021 | Air Canada | AC7703 / JZA7703 | Washington | Toronto | Mitsubishi CRJ-200ER | C-GGJA | |||
| 31.08.2021 | Air Canada | AC410 / ACA410 | Toronto | Montreal | cracked windshield | Boeing 787-8 Dreamliner | C-GHPV | ||
| 31.08.2021 | Azul Linhas Aereas | AD2014 / AZU2014 | Porto Alegre | Sao Paulo | Porto Alegre | engine issue | ATR 72-600 | PR-AKC | |
| 31.08.2021 | Gol Linhas Aéreas | G31011 / GLO1011 | Rio de Janeiro | Sao Paulo | tail strike on departure | Boeing 737-8EH | PR-GUF | ||
| 30.08.2021 | Royal Jordanian | RJ134 / RJA81Y | Larnaca | Amman | Larnaca | possible technical issue | Airbus A319-111 | JY-AYZ | |
| 30.08.2021 | Wizz Air | W63672 / WZZ1129 | Milan | Iasi | navigation system issue | Airbus A321-231 | 9H-SLG | ||
| 30.08.2021 | Westjet | WS712 / WJA712 | Vancouver | Toronto | Boeing 737-8CT | C-GJLS | |||
| 29.08.2021 | China Express Airlines | G54394 / HXA4394 | Korla | Aksu | overran runway on landing | Mitsubishi CRJ-900LR | B-3250 | ||
| 29.08.2021 | American Airlines | AA1733 / AAL1733 | Dallas | Milwaukee | rejected takeoff | Airbus A320-214 | N122US | ||
| 29.08.2021 | Batik Air | ID6897 / BTK6897 | Banda Aceh | Jakarta | Medan | possible engine issue | Airbus A330-343 | PK-LEL | |
| 29.08.2021 | JetBlue | B6787 / JBU787 | New York | Sint Maarten | New York | Airbus A321-231 | N955JB | ||
| 29.08.2021 | American Airlines | AA1158 / AAL1158 | Dallas | Washington | Nashville | Boeing 737-823 | N823NN | ||
| 28.08.2021 | Delta Air Lines | DL213 / DAL213 | Athens | New York | hydraulic issue | Airbus A330-323 | N819NW | ||
| 28.08.2021 | Southwest Airlines | WN4153 / SWA4153 | El Paso | Las Vegas | bird strike | Boeing 737-8H4 | N8502Z | ||
| 28.08.2021 | United Airlines | UA3789 / AWI3789 | Wilmington | Washington | 7700 | Mitsubishi CRJ-200LR | N418AW | ||
| 28.08.2021 | Southwest Airlines | WN4771 / SWA4771 | Phoenix | Raleigh-Durham | Phoenix | mechanical issue | Boeing 737-7H4 | N280WN | |
| 28.08.2021 | Air Canada | AC8944 / JZA944 | Toronto | Moncton | Montreal | Mitsubishi CRJ-900LR | C-FJZD | ||
| 27.08.2021 | Air Canada | AC8485 / JZA485 | Edmonton | Vancouver | hard landing | Mitsubishi CRJ-900LR | C-FOJZ | ||
| 27.08.2021 | Aspire Airlines | TSH1202 / TSH1202 | Vancouver | Masset | Vancouver | electrical issue | De Havilland Canada Dash 8-100 | C-GWRI | |
| 27.08.2021 | IndiGo | 6E732 / IGO732 | Patna | Delhi | Patna | bird strike | Airbus A320-271N | VT-IVS | |
| 27.08.2021 | Aeroflot | SU6316 / SDM6316 | Krasnodar | St. Petersburg | rejected takeoff due to electrical issue | Airbus A319-111 | VQ-BAQ | ||
| 27.08.2021 | WestJet | WS717 / WJA717 | Toronto | Vancouver | Thunder Bay | mechanical issue | Boeing 737 MAX 8 | C-GZSG | |
| 27.08.2021 | KLM | KL643 / KLM643 | Amsterdam | New York | St. John's | Boeing 787-9 Dreamliner | PH-BHC | ||
| 27.08.2021 | Ryanair | FR1452 / RYR5PJ | Dublin | Brussels | London | 7700 | medical emergency | Boeing 737-8AS | EI-DHZ |
| 27.08.2021 | Biman Bangladesh Airlines | BG22 / BBC022 | Muscat | Dhaka | Nagpur | medical emergency | Boeing 737-8HO | S2-AEW | |
| 26.08.2021 | Tunisair | TU250 / TAR250 | Monastir | Nice | Tunis | hydraulic issue | Boeing 737-6H3 | TS-IOK | |
| 25.08.2021 | Cayman Airways | KX3102 / CAY3102 | George Town | Miami | George Town | medical emergency | Boeing 737 MAX 8 | VP-CIX | |
| 24.08.2021 | American Airlines | AA1398 / AAL1398 | Phoenix | Omaha | turbulence encountered | Boeing 737-823 | N946NN | ||
| 24.08.2021 | JetBlue | B61138 / JBU1138 | Austin | Boston | bird strike | Airbus A320-232 | N503JB | ||
| 24.08.2021 | American Airlines | AA4579 / RPA4579 | Sarasota | Washington | Sarasota | cracked windshield | Embraer E175LR | N130HQ | |
| 24.08.2021 | Virgin Atlantic | VS7 / VIR7B | London | Los Angeles | London | Airbus A350-1041 | G-VLUX | ||
| 23.08.2021 | Emirates | EK219 / UAE219 | Dubai | Orlando | Dublin | medical emergency | Boeing 777-31H(ER) | A6-EQN | |
| 23.08.2021 | Alaska Airlines | AS751 / ASA751 | New Orleans | Seattle | passengers cellphone caught fire | Boeing 737-990(ER) | N479AS | ||
| 23.08.2021 | Binter Canarias | NT6306 / IBB6306 | Gran Canaria | Agadir | Lanzarote | possible engine issue | ATR 72-600 | EC-MNN | |
| 23.08.2021 | Eastern Airlines | 2D9124 / EAL9124 | Washington | Sofia | New York | Boeing 767-336(ER) | N703KW | ||
| 22.08.2021 | Air Canada | AC7460 / JZA7460 | Montreal | Charlottetown | brakes issue on landing | Embraer E175SU | C-FRQM | ||
| 22.08.2021 | American Airlines | AA3961 / ENY3961 | Chicago | Detroit | Chicago | drone strike | Embraer E175LR | N242NN | |
| 22.08.2021 | Ryanair | FR4157 / RYR1ML | Cork | Alicante | London | bird strike | Boeing 737-8AS | EI-EKD | |
| 22.08.2021 | Iberia | IB3915 / IBS3915 | Palma de Mallorca | Madrid | medical emergency | Airbus A320-214 | EC-MUK | ||
| 22.08.2021 | Delta Air Lines | DL2532 / DAL2532 | Phoenix | Seattle | Portland | Airbus A220-100 | N105DU | ||
| 21.08.2021 | Turkish Airlines | TK43 / THY43W | Johannesburg | Istanbul | Cairo | Airbus A330-303 | TC-JOB | ||
| 21.08.2021 | Uzbekistan Airways | HY603 / UZB603 | Tashkent | Moscow | flaps issue | Boeing 787-8 Dreamliner | UK78701 | ||
| 20.08.2021 | American Airlines | AA1241 / AAL1241 | Dallas | Seattle | Dallas | engine issue | Airbus A321-231 | N122NN | |
| 20.08.2021 | Delta Air Lines | DL454 / DAL454 | Los Angeles | Boston | bird strike | Boeing 757-231 | N727TW | ||
| 20.08.2021 | Delta Air Lines | DL750 / DAL750 | Nashville | Salt Lake City | hard landing | Boeing 737-832 | N3767 | ||
| 20.08.2021 | Ryanair | FR1174 / RYR52AZ | Porto | Manchester | Bristol | 7700 | medical emergency | Boeing 737-8AS | EI-DLE |
| 20.08.2021 | American Airlines | AA101 / AAL101 | London | New York | St. John's | Boeing 777-323(ER) | N733AR | ||
| 20.08.2021 | Air Canada | AC303 / ACA303 | Montreal | Vancouver | Winnipeg | Airbus A320-214 | C-FGJI | ||
| 19.08.2021 | Ryanair | FR212 / RYR7XN | London | Dublin | London | 7700 | autopilot issue | Boeing 737-8AS | EI-EVO |
| 19.08.2021 | Ryanair | FR3153 / RYR4RL | Tenerife | East Midlands | 7700 | medical emergency | Boeing 737-8AS | EI-EBM | |
| 19.08.2021 | Delta Air Lines | DL4240 / SKW4240 | Fort Wayne | Minneapolis | La Crosse | 7700 | possible pressurisation issue | Mitsubishi CRJ-200LR | N447SW |
| 19.08.2021 | American Airlines | AA5654 / JIA5654 | Bangor | Charlotte | Portland | mechanical issue | Mitsubishi CRJ-900LR | N580NN | |
| 18.08.2021 | Nolinor | N5951 / NRL951 | Val-d'Or | Montreal | engine issue | Boeing 737-2B6C(A) | C-GNLN | ||
| 18.08.2021 | Azul Linhas Aereas | AD4649 / AZU4649 | Porto Alegre | Recife | Campinas | possible engine issue | Airbus A320-251N | PR-YRE | |
| 18.08.2021 | American Airlines | AA5222 / JIA5222 | Charlotte | Gulfport | Charlotte | fuel leak | Mitsubishi CRJ-701ER | N516AE | |
| 17.08.2021 | Vueling | VY8174 / VLG11PL | Malaga | Paris | Barcelona | possible technical issue | Airbus A320-232 | EC-MFM | |
| 17.08.2021 | Edelweiss Air | WK348 / EDW348W | Zurich | Heraklion | rejected takeoff | Airbus A320-214 | HB-JJL | ||
| 17.08.2021 | Delta Air Lines | DL212 / DAL212 | New York | Athens | Dublin | Airbus A330-323 | N806NW | ||
| 16.08.2021 | Air Canada | AC263 / ACA263 | Toronto | Winnipeg | electrical issue | Airbus A320-214 | C-FGKH | ||
| 16.08.2021 | iAero Airways | WQ9049 / SWQ9049 | Fort Lauderdale | Orlando | Miami | landing gear issue | Boeing 737-4Q8 | N807TJ | |
| 16.08.2021 | Gol Linhas Aéreas | G31714 / GLO1714 | Brasilia | Rio Branco | Porto Velho | engine shut down | Boeing 737 MAX 8 | PR-XMC | |
| 16.08.2021 | Nordwind Airlines | N440 / NWS040 | Simferopol | Belgorod | Moscow | possible hydraulic issue | Airbus A321-211 | VQ-BOD | |
| 16.08.2021 | Virgin Atlantic | VS77 / VIR77 | Manchester | Bridgetown | London | 7700 | 'issue inflight' | Boeing 787-9 Dreamliner | G-VNEW |
| 15.08.2021 | Royal Air Maroc | AT1400 / RAM1400 | Casablanca | Oujda | brakes issue | Boeing 737-8B6 | CN-RNP | ||
| 15.08.2021 | SAS | SK925 / SAS925 | Copenhagen | Washington | Copenhagen | cracked windshield | Airbus A330-343 | LN-RKM | |
| 14.08.2021 | Icelandair | FI542 / ICE8K | Reykjavik | Paris | engine issue | Boeing 757-308 | TF-FIX | ||
| 14.08.2021 | Aeroflot | SU6115 / SDM6115 | St. Petersburg | Volgograd | St. Petersburg | hydraulic issue | Sukhoi Superjet 100-95B | RA-89127 | |
| 14.08.2021 | Norwegian | DY1781 / NAX1781 | Faro | Oslo | Stavanger | 7700 | Boeing 737-8JP | LN-NGM | |
| 14.08.2021 | EVA Air | BR20 / EVA020 | Taipei | Guam | tail strike on aborted landing | Airbus A321-211 | B-16227 | ||
| 13.08.2021 | Air France | AF23 / AFR023 | New York | Paris | New York | Boeing 777-328(ER) | F-GSQM | ||
| 13.08.2021 | Smartavia | 5N503 / AUL503 | St. Petersburg | Syktyvkar | animal strike on landing | Boeing 737-752 | VQ-BBI | ||
| 13.08.2021 | Utair | UT358 / UTA358 | Samara | Moscow | electrical issue | Boeing 737-45S | VQ-BIC | ||
| 13.08.2021 | Air Canada | AC612 / ACA612 | Toronto | Halifax | Airbus A220-300 | C-GMYU | |||
| 13.08.2021 | LOT | LO3501 / LOT5LZ | Gdansk | Krakow | Gdansk | 7700 | engine issue | De Havilland Canada Dash 8-400 | SP-EQL |
| 12.08.2021 | Pakistan International Airlines | PK306 / PIA306 | Karachi | Lahore | Karachi | airspeed indication issue | Airbus A320-214 | AP-BLU | |
| 12.08.2021 | Southwest Airlines | WN1559 / SWA1559 | Dallas | Los Angeles | Dallas | Boeing 737-7Q8 | N799SW | ||
| 12.08.2021 | Ryanair | FR6582 / RYR6582 | Palma de Mallorca | Treviso | Palma de Mallorca | engine issue | Boeing 737-8AS | EI-DPN | |
| 12.08.2021 | Pegasus Airlines | PC1251 / PGT99H | Istanbul | Amsterdam | Budapest | medical emergency | Airbus A320-214 | TC-DCB | |
| 12.08.2021 | Air Arabia | G9426 / ABY426 | Cochin | Sharjah | Cochin | mechanical issue | Airbus A321-251NX | A6-ATA | |
| 12.08.2021 | Ethiopian Airlines | ET728 / ETH728 | Brussels | Manchester | possible engine issue | Boeing 787-9 Dreamliner | ET-AXL | ||
| 11.08.2021 | Norwegian | DY428 / NAX8DT | Oslo | Molde | Oslo | lightning strike | Boeing 737-8JP | LN-ENN | |
| 11.08.2021 | Air France | AF688 / AFR688 | Paris | Atlanta | Montreal | Airbus A350-941 | F-HTYF | ||
| 11.08.2021 | United Airlines | UA85 / UAL85 | Tel Aviv | New York | taxiway lights collision | Boeing 787-10 Dreamliner | N14011 | ||
| 11.08.2021 | Aerolineas Argentinas | AR1654 / AR1654 | Buenos Aires | Neuquen | flaps issue | Boeing 737-8LP | LV-FWS | ||
| 10.08.2021 | American Airlines | AA212 / AAL212 | Kahului | Los Angeles | Honolulu | disruptive passenger | Airbus A321-253NX | N424AN | |
| 10.08.2021 | Air Canada | AC678 / ACA678 | Montreal | St. John's | Airbus A220-300 | C-GJXW | |||
| 10.08.2021 | Virgin Atlantic | VS412 / VIR412W | Lagos | London | Palma de Mallorca | medical emergency | Airbus A330-343 | G-VWAG | |
| 10.08.2021 | Wizz Air | W66611 / WZZ6611 | Tirana | Berlin | Budapest | engine shut down | Airbus A320-233 | OY-RUZ | |
| 09.08.2021 | Air France | AF7670 / AFR99JA | Paris | Marseille | 7700 | smoke in cabin | Airbus A318-111 | F-GUGQ | |
| 09.08.2021 | United Airlines | UA135 / UAL135 | Zurich | New York | rejected takeoff | Boeing 767-322(ER) | N651UA | ||
| 08.08.2021 | Air Canada | AC8187 / JZA187 | Vancouver | Fort St. John | Vancouver | De Havilland Canada Dash 8-400 | C-GBJZ | ||
| 08.08.2021 | Southwest Airlines | WN4684 / SWA4684 | Ontario | Denver | 7700 | Boeing 737-8H4 | N8545V | ||
| 07.08.2021 | United Airlines | UA5729 / SKW5729 | Bismarck | Denver | Bismarck | engine issue | Mitsubishi CRJ-200LR | N910EV | |
| 07.08.2021 | Delta Air Lines | DL304 / DAL304 | Honolulu | Atlanta | Honolulu | engine issue | Airbus A330-323 | N808NW | |
| 07.08.2021 | Delta Air Lines | DL2851 / DAL2851 | Cincinnati | Atlanta | Chattanooga | mechanical issue | Boeing 737-832 | N394DA | |
| 07.08.2021 | KLM | KL1251 / KLM1251 | Amsterdam | Nice | Amsterdam | possible engine issue | Embraer E175STD | PH-EXU | |
| 06.08.2021 | Qatar Airways | QR677 / QTR2BR | Male | Doha | Male | technical issue | Boeing 777-2DZ(LR) | A7-BBD | |
| 06.08.2021 | American Airlines | AA2932 / AAL2932 | Charlotte | Savannah | Charlotte | weather radar issue | Airbus A319-132 | N826AW | |
| 06.08.2021 | British Airways | BA1441 / SHT9Z | Edinburgh | London | 7700 | technical issue | Airbus A319-131 | G-DBCF | |
| 06.08.2021 | Air Canada | AC225 / ACA225 | Calgary | Vancouver | odor in cockpit | Boeing 737 MAX 8 | C-FSJH | ||
| 06.08.2021 | Azul Linhas Aereas | AD2860 / AZU2860 | Campinas | Caxias do Sul | tail strike on landing | Embraer E195-E2 | PR-PJN | ||
| 05.08.2021 | Air France | AF74 / AFR074 | Vancouver | Papeete | Vancouver | Boeing 777-228(ER) | F-GSPY | ||
| 05.08.2021 | Turkish Airlines | TK7866 / THY20V | Istanbul | Sarajevo | Istanbul | Boeing 737-86N | TC-SBV | ||
| 05.08.2021 | Aeroflot | SU6400 / SDM6400 | Yekaterinburg | Moscow | Kazan | 7700 | technical issue | Sukhoi Superjet 100-95B | RA-89112 |
| 04.08.2021 | Air Canada | AC8281 / JZA281 | Prince Rupert | Vancouver | pressurisation issue | De Havilland Canada Dash 8-400 | C-GGNY | ||
| 04.08.2021 | Aeroflot | SU2578 / AFL2578 | Moscow | London | rejected takeoff due to possible engine issue | Boeing 777-3M0(ER) | VQ-BUB | ||
| 04.08.2021 | Southwest Airlines | WN4552 / SWA4552 | Chicago | San Francisco | flaps issue | Boeing 737-8H4 | N8635F | ||
| 04.08.2021 | TAROM | RO362 / ROT362F | Amsterdam | Bucharest | medical emergency | Boeing 737-8H6 | YR-BGL | ||
| 04.08.2021 | Southwest Airlines | WN5488 / SWA5488 | Denver | Jacksonville | Nashville | engine shut down | Boeing 737-8H4 | N8661A | |
| 03.08.2021 | Air Canada | AC8790 / JZA790 | Montreal | Saint John | pressurisation issue | Mitsubishi CRJ-200ER | C-FDJA | ||
| 03.08.2021 | Hawaiian Airlines | HA197 / HAL197 | Kailua-Kona | Honolulu | Kailua-Kona | mechanical issue | Boeing 717-22A | N483HA | |
| 03.08.2021 | American Airlines | AA3145 / SKW3145 | Santa Rosa | Phoenix | Oakland | Mitsubishi CRJ-700ER | N720EV | ||
| 03.08.2021 | United Airlines | UA47 / UAL47 | Frankfurt | Houston | Shannon | 7700 | medical emergency | Boeing 787-9 Dreamliner | N19951 |
| 03.08.2021 | Austrian Airlines | OS452 / AUA4ML | London | Vienna | London | landing gear issue | Airbus A320-214 | OE-LBX | |
| 03.08.2021 | Nordwind Airlines | N4132 / NWS132 | Simferopol | Yekaterinburg | hydraulic issue | Airbus A321-211 | VQ-BOD | ||
| 02.08.2021 | Delta Air Lines | DL2309 / DAL2309 | Boston | Atlanta | New York | lavatory smoke indication | Airbus A321-211 | N114DN | |
| 02.08.2021 | Volaris | Y45501 / VOTI5501 | Tijuana | Chihuahua | Tijuana | 7700 | smoke indication | Airbus A320-271N | N529VL |
| 02.08.2021 | Aerolíneas Argentinas | AR1883 / ARG1883 | Ushuaia | Buenos Aires | Ushuaia | flaps issue | Boeing 737-8LP | LV-FWS | |
| 02.08.2021 | Airblue | PA401 / ABQ401 | Lahore | Karachi | Lahore | bird strike | Airbus A321-211 | AP-BMO | |
| 02.08.2021 | Wizz Air | W61562 / WZZ1059 | Burgas | Warsaw | Burgas | bird strike | Airbus A320-232 | HA-LWN | |
| 02.08.2021 | Royal Air Maroc | RJ508 / RJA508 | Cairo | Amman | possible technical issue | Airbus A320-232 | JY-AYU | ||
| 01.08.2021 | American Airlines | AA52 / AAL52 | Miami | Tel Aviv | flat tyre | Boeing 777-223(ER) | N788AN | ||
| 01.08.2021 | Delta Air Lines | DL1100 / DAL1100 | Atlanta | Phoenix | Atlanta | Airbus A321-211 | N324DX | ||
| 01.08.2021 | United Airlines | UA4583 / GJS4583 | New York | Buffalo | Rochester | fuel leak | Mitsubishi CRJ-701ER | N514MJ | |
| 31.07.2021 | Ryanair | FR9017 / RYR9017 | Fes | Barcelona | turbulence encountered | Boeing 737-8AS | EI-EPC | ||
| 31.07.2021 | Air India Express | IX1581 / AXB1581 | Thiruvananthapuram | Abu Dhabi | Thiruvananthapuram | cracked windshield | Boeing 737-86N | VT-GHC | |
| 31.07.2021 | Azul Linhas Aereas | AD4422 / AZU4422 | Cuiaba | Sinop | bird strike | Airbus A320-251N | PR-YRY | ||
| 30.07.2021 | Air Canada | AC133 / ACA133 | Toronto | Calgary | Winnipeg | possible engine issue | Boeing 737 MAX 8 | C-FSIL | |
| 30.07.2021 | EasyJet | U2393 / EZY684D | Bristol | Inverness | Bristol | bird strike | Airbus A321-251NX | G-UZMF | |
| 30.07.2021 | Southwest Airlines | WN1736 / SWA1736 | Fort Myers | Louisville | Atlanta | mechanical issue | Boeing 737-7H4 | N714CB | |
| 29.07.2021 | Pobeda | DP310 / PBD310 | Krasnoyarsk | Sochi | Yekaterinburg | airframe vibrations | Boeing 737-8MC | VP-BQG | |
| 29.07.2021 | Wizz Air | W62857 / WZZ2857 | Vienna | Reykjavik | Vienna | landing gear issue | Airbus A321-231 | HA-LXJ | |
| 29.07.2021 | Japan Airlines | JL6775 / JAL6775 | Tokyo | Sapporo | instrument issue | Boeing 767-346(ER) | JA616J | ||
| 28.07.2021 | Spirit Airlines | NK336 / NKS336 | Orlando | Detroit | Orlando | fumes in cockpit | Airbus A321-231 | N663NK | |
| 28.07.2021 | Vueling | VY8755 / VLG4EG | Birmingham | Barcelona | Paris | 7700 | technical issue | Airbus A320-214 | EC-MUM |
| 28.07.2021 | Southwest Airlines | WN1092 / SWA1092 | Columbus | Sarasota | Greenville-Spartanburg | 7700 | engine issue | Boeing 737-76N | N7729A |
| 28.07.2021 | Ryanair | FR5163 / RYR4VF | Fes | Marseille | Valencia | Boeing 737-8AS | EI-EFD | ||
| 28.07.2021 | United Airlines | UA4323 / UCA4323 | Houston | Lafayette | bird strike | Embraer ERJ-145XR | N14180 | ||
| 28.07.2021 | American Airlines | AA6140 / PDT6140 | Chicago | Dayton | bird strike | Embraer ERJ-145LR | N633AE | ||
| 27.07.2021 | Sundair | SR5982 / SDR58TE | Dresden | Antalya | bird strike | Airbus A320-214 | D-ANNA | ||
| 27.07.2021 | Alaska Airlines | AS3466 / SKW3466 | Palm Springs | Seattle | electrical issue | Embraer E175LR | N405SY | ||
| 26.07.2021 | Allegiant Air | G480 / AAY80 | McAllen | Las Vegas | McAllen | bird strike | Airbus A319-112 | N307NV | |
| 26.07.2021 | Buddha Air | U4255 / BHA255 | Kathmandu | Dhangadhi | Kathmandu | technical issue | ATR 72-500 | 9N-AMD | |
| 26.07.2021 | Lufthansa | LH441 / DLH441 | Houston | Frankfurt | Boston | Airbus A330-343 | D-AIKD | ||
| 26.07.2021 | American Airlines | AA2811 / AAL2811 | Los Angeles | Dallas | Phoenix | Airbus A321-253NX | N418AN | ||
| 26.07.2021 | Belavia | B29215 / BRU9215 | Minsk | Antalya | Moscow | 7700 | engine issue | Boeing 737-8ZM | EW-455PA |
| 26.07.2021 | Air France | AF1036 / AFR51WT | Paris | Ljubljana | 7700 | Embraer E190LR | F-HBLD | ||
| 25.07.2021 | Allegiant Air | G42203 / AAY2203 | Orlando | Syracuse | bird strike | Airbus A319-111 | N315NV | ||
| 25.07.2021 | Delta Air Lines | DL1562 / DAL1562 | Fort Lauderdale | Detroit | Atlanta | disruptive passenger | Airbus A321-211 | N111DC | |
| 25.07.2021 | Lufthansa | LH493 / DLH493 | Vancouver | Frankfurt | Toronto | Airbus A350-941 | D-AIXA | ||
| 25.07.2021 | Ryanair | FR3233 / RYR68VH | Malaga | Manchester | Bristol | 7700 | medical emergency | Boeing 737-8AS | EI-EKX |
| 24.07.2021 | IndiGo | 6E471 / IGO471 | Jaipur | Hyderabad | Nagpur | technical issue | Airbus A320-271N | VT-ITG | |
| 23.07.2021 | Azul Linhas Aereas | AD2800 / AZU2800 | Belo Horizonte | Campinas | door open indication | Embraer E195AR | PR-AUO | ||
| 23.07.2021 | EasyJet | U29044 / EJU9044 | Porto | Lisbon | burst tyre | Airbus A320-214 | OE-IJV | ||
| 22.07.2021 | Austrian Airlines | OS213 / AUA2E | Vienna | Nurnberg | bird strike | Embraer E195LR | OE-LWQ | ||
| 21.07.2021 | Allegiant Air | G4994 / AAY994 | St. Petersburg | Plattsburgh | St. Petersburg | bird strike | Airbus A320-214 | N246NV | |
| 20.07.2021 | Avianca | AV83 / AVA083 | Los Angeles | Bogota | Mexico City | medical emergency | Airbus A330-243 | N279AV | |
| 20.07.2021 | Turkish Airlines | TK664 / THY664 | Tunis | Istanbul | Tunis | engine issue | Airbus A321-231 | TC-JSS | |
| 19.07.2021 | JetBlue | B6414 / JBU414 | Seattle | Fort Lauderdale | Seattle | landing gear issue | Airbus A320-232 | N556JB | |
| 19.07.2021 | Jet2 | LS765 / EXS765 | Manchester | Funchal | Manchester | technical issue | Boeing 737-8MG | G-JZBE | |
| 19.07.2021 | American Airlines | AA6033 / PDT6033 | Asheville | Philadelphia | Richmond | 7700 | medical emergency | Embraer ERJ-145LR | N672AE |
| 19.07.2021 | Ryanair | FR6394 / RYR6WK | Barcelona | Dublin | Barcelona | medical emergency | Boeing 737-8AS | EI-DCF | |
| 19.07.2021 | Delta Air Lines | DL446 / DAL446 | Boston | Tampa | New York | smoke on board | Airbus A320-212 | N378NW | |
| 18.07.2021 | Korean Air | KE351 / KAL351 | Ho Chi Minh City | Bangkok | Ho Chi Minh City | landing gear issue | Boeing 747-4B5F(ER) | HL7601 | |
| 17.07.2021 | American Airlines | AA1121 / AAL1121 | Washington | New York LaGuardia | New York JFK | hydraulic issue | Airbus A319-112 | N703UW | |
| 17.07.2021 | American Airlines | AA762 / AAL762 | Pittsburgh | Dallas | Pittsburgh | bleed air system issue | Airbus A320-214 | N125UW | |
| 16.07.2021 | Ryanair | FR3232 / RYR2UM | Manchester | Malaga | Nantes | 7700 | medical emergency | Boeing 737-8AS | EI-DLH |
| 15.07.2021 | American Airlines | AA885 / AAL885 | Austin | Charlotte | Atlanta | Boeing 737-823 | N869NN | ||
| 15.07.2021 | Delta Air Lines | DL15 / DAL15 | Frankfurt | Atlanta | Dublin | Airbus A330-323 | N814NW | ||
| 14.07.2021 | Japan Airlines | JL43 / JAL43 | Tokyo | London | Tokyo | cracked windshield | Boeing 777-346(ER) | JA740J | |
| 13.07.2021 | American Airlines | AA5152 / JIA5152 | Charlotte | White Plains | Charlotte | pressurisation issue | Mitsubishi CRJ-701ER | N508AE | |
| 13.07.2021 | Ryanair | FR303 / RYR1HY | Gran Canaria | Cologne | Gran Canaria | possible technical issue | Boeing 737-8AS | 9H-QAY | |
| 13.07.2021 | WestJet | WS518 / WJA518 | Toronto | Deer Lake | Halifax | Boeing 737-8CT | C-FXMS | ||
| 13.07.2021 | Delta Air Lines | DL378 / DAL378 | Atlanta | Salt Lake City | Denver | Airbus A330-323 | N803NW | ||
| 13.07.2021 | Emirates | EK205 / UAE205 | Milan | New York | Milan | hail strike | Boeing 777-31H(ER) | A6-ECF | |
| 13.07.2021 | Voyageur Airways | VC103 / VAL103 | Hamilton | Montreal | Toronto | engine shut down | De Havilland Canada Dash 8-100 | C-GKON | |
| 13.07.2021 | S7 Airlines | S72571 / SBI2571 | Moscow | Novy Urengoy | possible pressurisation issue | Airbus A321-211 | VQ-BFQ | ||
| 12.07.2021 | Qantas | QF2213 / QLK213D | Sydney | Albury | Sydney | landing gear issue | De Havilland Canada Dash 8-400 | VH-QOY | |
| 12.07.2021 | United Airlines | UA2649 / UAL2649 | Chicago | Los Angeles | Denver | disruptive passenger | Boeing 787-8 Dreamliner | N27903 | |
| 11.07.2021 | British Airways | BA49 / BAW49 | London | Seattle | Glasgow | technical issue | Boeing 787-9 Dreamliner | G-ZBKM | |
| 11.07.2021 | Condor | DE1763 / CFG1VY | Kavala | Dusseldorf | Kavala | landing gear issue | Airbus A320-214 | D-AICP | |
| 11.07.2021 | S7 Airlines | S72098 / SBI2098 | Gelendzhik | Moscow | landing gear issue | Airbus A320-271N | VP-BSR | ||
| 10.07.2021 | KLM | KL589 / KLM589 | Amsterdam | Accra | Palma de Mallorca | smoke indication in cargo hold | Boeing 777-306(ER) | PH-BVB | |
| 10.07.2021 | American Airlines | AA2910 / AAL2910 | Dallas | Bangor | Memphis | 7700 | possible mechanical issue | Airbus A319-132 | N817AW |
| 10.07.2021 | Transavia | TO3026 / TVF3026 | Paris | Oujda | Madrid | 7700 | Boeing 737-8JP | F-HTVX | |
| 09.07.2021 | United Airlines | UA396 / UAL396 | Honolulu | San Francisco | Honolulu | engine issue | Boeing 767-322(ER) | N665UA | |
| 09.07.2021 | Transavia | HV6307 / TRA6307 | Amsterdam | Beirut | Amsterdam | trim issue | Boeing 737-8K2 | PH-HZJ | |
| 09.07.2021 | British Airways | BA5 / BAW5 | London | Tokyo | London | technical issue | Boeing 787-9 Dreamliner | G-ZBKJ | |
| 09.07.2021 | American Airlines | AA1071 / AAL1071 | Los Angeles | Atlanta | Memphis | disruptive passenger | Airbus A321-231 | N539UW | |
| 09.07.2021 | Binter Canarias | NT212 / RSC76UW | Gran Canaria | Fuerteventura | Gran Canaria | engine issue | ATR 72-600 | EC-NGF | |
| 08.07.2021 | KLM | KL1358 / KLM46A | Prague | Amsterdam | smell in cockpit | Boeing 737-7K2 | PH-BGL | ||
| 08.07.2021 | Brussels Airlines | SN3215 / BEL3215 | Brussels | Milan | Brussels | bird strike | Airbus A319-112 | OO-SSN | |
| 07.07.2021 | Air Baltic | BT671 / BTI671 | Riga | Manchester | bird strike | Airbus A220-300 | YL-CSL | ||
| 07.07.2021 | European Air Charter | 1T8339 / BUC8339 | Heraklion | Linz | Sofia | engine shut down | McDonnell Douglas MD-82 | LZ-LDJ | |
| 07.07.2021 | American Airlines | AA761 / AAL761 | San Jose | Phoenix | Los Angeles | mechanical issue | Airbus A319-112 | N763US | |
| 07.07.2021 | Loganair | LM582 / LOG582 | Inverness | Birmingham | Edinburgh | 7700 | medical emergency | Embraer ERJ-145MP | G-SAJO |
| 06.07.2021 | All Nippon Airways | NH180 / ANA180 | Tokyo | Mexico City | Vancouver | Boeing 787-8 Dreamliner | JA823A | ||
| 05.07.2021 | Gulf Air | GF215 / GFA215 | Bahrain | Kuwait City | passengers evacuated after landing | Airbus A321-231 | A9C-CB | ||
| 04.07.2021 | Air France | AF178 / AFR178 | Paris | Mexico City | hard landing | Boeing 777-328(ER) | F-GSQI | ||
| 04.07.2021 | American Airlines | AA464 / AAL464 | Milwaukee | Phoenix | Milwaukee | engine issue | Airbus A320-232 | N662AW | |
| 04.07.2021 | Gol Linhas Aéreas | G31268 / GLO1268 | Sao Paulo | Navegantes | Sao Paulo | engine issue | Boeing 737-76N | PR-GOW | |
| 04.07.2021 | Azerbaijan Airlines | J22251 / AHY2251 | Baku | Nakhchivan | Baku | pressurisation issue | Airbus A319-111 | 4K-AZ04 | |
| 04.07.2021 | JetBlue | B62851 / JBU2851 | Fort Lauderdale | Quito | Guayaquil | Airbus A321-271NX | N2038J | ||
| 04.07.2021 | Alaska Airlines | AS854 / ASA854 | Kailua-Kona | Seattle | Honolulu | Boeing 737-990(ER) | N440AS | ||
| 03.07.2021 | Singapore Airlines | SQ351 / SIA351 | Copenhagen | Singapore | Moscow | medical emergency | Airbus A350-941 | 9V-SMO | |
| 03.07.2021 | S7 Airlines | S71146 / SBI1146 | Chelyabinsk | Moscow | hail strike | Airbus A320-214 | VP-BOL | ||
| 03.07.2021 | Philippine Airlines | PR102 / PAL102 | Manila | Los Angeles | Tokyo | medical emergency | Boeing 777-36N(ER) | RP-C7776 | |
| 02.07.2021 | EasyJet | U21433 / EZS1433 | Geneva | Malaga | rejected takeoff due to runway incursion | Airbus A320-214 | HB-JXI | ||
| 02.07.2021 | LOT | LO724 / LOT4MG | Tbilisi | Warsaw | Tbilisi | Embraer E195LR | SP-LNG | ||
| 02.07.2021 | American Airlines | AA2223 / AAL2223 | Dallas | Chicago | landing gear door issue | Airbus A321-211 | N169UW | ||
| 01.07.2021 | UTAir | UT135 / UTA135 | Sochi | Astrakhan | Sochi | low oil pressure indication | ATR 72-500 | VQ-BLJ | |
| 01.07.2021 | Azur Air | ZF474 / AZV474 | Antalya | Astrakhan | Antalya | hydraulic issue | Boeing 757-2Q8 | VQ-BQA | |
| 01.07.2021 | Air India | AI940 / AIC940 | Bahrain | Delhi | technical issue | Airbus A320-251N | VT-EXV | ||
| 30.06.2021 | Aeroflot | SU1116 / AFL1116 | Moscow | Sochi | rejected takeoff due to hydraulic issue | Airbus A330-343 | VQ-BNS | ||
| 30.06.2021 | Lufthansa | LH2724 / DLH2724 | Munich | Olbia | Munich | slat issue | Airbus A320-214 | D-AIWE | |
| 29.06.2021 | Lufthansa | LH1326 / DLH1326 | Frankfurt | Tunis | bird strike | Airbus A320-271N | D-AINY | ||
| 29.06.2021 | British Airways | BA1460 / SHT8M | London | Edinburgh | 7700 | medical emergency | Airbus A320-232 | G-EUYK | |
| 29.06.2021 | British Airways | BA247 / BAW247 | London | Sao Paulo | London | technical issue | Boeing 777-336(ER) | G-STBL | |
| 29.06.2021 | Vueling | VY3803 / VLG832L | Mahon | Bilbao | Zaragoza | medical emergency | Airbus A320-271N | EC-NFI | |
| 29.06.2021 | American Airlines | AA429 / AAL429 | Dallas | Washington | Charlotte | Boeing 737-823 | N990AN | ||
| 29.06.2021 | Lufthansa | LH1912 / DLH4TJ | Munich | Olbia | Pisa | 7700 | smoke on board | Mitsubishi CRJ-900LR | D-ACKK |
| 28.06.2021 | American Airlines | AA5996 / ASH5996 | Phoenix | Eugene | Phoenix | pressurisation issue | Mitsubishi CRJ-900ER | N905J | |
| 28.06.2021 | American Airlines | AA2 / AAL2 | Los Angeles | New York | Los Angeles | pressurisation issue | Airbus A321-231 | N106NN | |
| 28.06.2021 | Air Serbia | JU374 / ASL76N | Belgrade | Zurich | Belgrade | Airbus A319-132 | YU-APE | ||
| 27.06.2021 | American Airlines | AA2775 / AAL2775 | Charlotte | Seattle | Charlotte | mechanical issue | Airbus A321-231 | N584UW | |
| 27.06.2021 | LAM Mozambique Airlines | TM137 / TM137 | Tete | Maputo | rejected takeoff | De Havilland Canada Dash 8-400 | C9-AUZ | ||
| 26.06.2021 | Azul Linhas Aereas | AD4784 / AZU4784 | Campinas | Jericoacoara | Recife | flaps issue | Airbus A320-251N | PR-YRK | |
| 26.06.2021 | Air Inuit | 3H780 / AIE780 | Montreal | Puvirnituq | Kuujjuaq | flaps issue | Boeing 737-2Q2C(A) | C-GMAI | |
| 26.06.2021 | Delta Air Lines | DL3811 / SKW3811 | Seattle | Santa Ana | Los Angeles | mechanical issue | Embraer E175LR | N607CZ | |
| 26.06.2021 | American Airlines | AA3582 / ENY3582 | Miami | Norfolk | Miami | Embraer E175LR | N269NN | ||
| 26.06.2021 | Southwest Airlines | WN5365 / SWA5365 | Nashville | Los Angeles | Kansas City | Boeing 737-7H4 | N421LV | ||
| 26.06.2021 | American Airlines | AA6037 / PDT6037 | Windsor Locks | Philadelphia | Windsor Locks | flight control issue | Embraer ERJ-145LR | N631AE | |
| 26.06.2021 | United Airlines | UA2362 / UAL2362 | Los Angeles | Chicago | Los Angeles | Boeing 737-824 | N87507 | ||
| 26.06.2021 | Southwest Airlines | WN5876 / SWA5876 | San Diego | Denver | Albuquerque | Boeing 737-76N | N7846A | ||
| 26.06.2021 | United Airlines | UA4303 / UCA4303 | Panama City | Houston | Panama City | Embraer ERJ-145XR | N16151 | ||
| 26.06.2021 | Swiss | LX92 / SWR92 | Zurich | Sao Paulo | rejected takeoff due to crew rest area smoke indication | Boeing 777-3DE(ER) | HB-JNB | ||
| 25.06.2021 | Southwest Airlines | WN1753 / SWA1753 | Chicago | Salt Lake City | turbulence encountered | Boeing 737-7H4 | N454WN | ||
| 25.06.2021 | United Airlines | UA5365 / SKW5365 | Los Angeles | Salt Lake City | disruptive passenger | Embraer E175LR | N108SY | ||
| 25.06.2021 | Nordwind Airlines | N4123 / NWS123 | Moscow | Simferopol | pressurisation issue | Airbus A321-211 | VQ-BOD | ||
| 25.06.2021 | Smartwings | QS1082 / TVS1DE | Prague | Split | 7700 | bomb threat | Boeing 737-7Q8 | OK-SWW | |
| 25.06.2021 | Azimuth | A4303 / AZO303 | Krasnodar | St. Petersburg | Krasnodar | technical issue | Sukhoi Superjet 100-95LR | RA-89036 | |
| 25.06.2021 | Nouvelair | BJ575 / LBT575 | Lyon | Djerba | Lyon | pressurisation issue | Airbus A320-214 | TS-INO | |
| 24.06.2021 | American Airlines | AA2401 / AAL2401 | Dallas | Tampa | New Orleans | turbulence encountered | Airbus A321-231 | N926UW | |
| 24.06.2021 | Copa Airlines | CM152 / CMP152 | Panama City | Quito | Cali | cargo smoke indication | Boeing 737-8V3 | HP-1723CMP | |
| 24.06.2021 | Pegas Fly | EO657 / KAR657 | Krasnoyarsk | Sochi | Novosibirsk | cargo smoke indication | Boeing 737-9GP(ER) | VP-BZV | |
| 24.06.2021 | SkyUp | PQ421 / SQP421 | Kyiv | Batumi | Kyiv | odor on board | Boeing 737-96N(ER) | UR-SQI | |
| 24.06.2021 | Air Canada | AC58 / ACA58 | Toronto | Doha | generator issue before takeoff | Boeing 787-9 Dreamliner | C-FGDT | ||
| 24.06.2021 | TAROM | RO702 / ROT702Q | Iasi | Bucharest | Iasi | bird strike | ATR 72-600 | YR-ATK | |
| 23.06.2021 | United Airlines | UA4300 / UCA4300 | Baton Rouge | Houston | Baton Rouge | Embraer ERJ-145XR | N13202 | ||
| 23.06.2021 | Delta Air Lines | DL5159 / EDV5159 | Atlanta | Valdosta | Atlanta | landing gear issue | Mitsubishi CRJ-200ER | N981EV | |
| 23.06.2021 | Air France | AF442 / AFR442 | Paris | Rio de Janeiro | Paris | Boeing 787-9 Dreamliner | F-HRBC | ||
| 22.06.2021 | SAS | SK4546 / SAS4546 | Oslo | Alta | bird ingestion | Airbus A320-251N | SE-ROZ | ||
| 22.06.2021 | American Airlines | AA1603 / AAL1603 | Charlotte | Myrtle Beach | possible mechanical issue | Airbus A319-112 | N747UW | ||
| 21.06.2021 | Red Wings | WZ647 / RWZ647 | St. Petersburg | Krasnodar | St. Petersburg | generator issue | Airbus A320-232 | VP-BWX | |
| 21.06.2021 | Qantas | QF645 / QFA645 | Sydney | Perth | Sydney | landing gear issue | Boeing 787-9 Dreamliner | VH-ZNH | |
| 20.06.2021 | United Airlines | UA42 / UAL42 | New York | Kahului | San Francisco | Boeing 767-3CB(ER) | N686UA | ||
| 20.06.2021 | Spirit Airlines | NK237 / NKS237 | Fort Lauderdale | Medellin | Fort Lauderdale | 7700 | flight control issue | Airbus A320-232 | N646NK |
| 19.06.2021 | American Airlines | AA2673 / AAL2673 | Dallas | Palm Springs | Dallas | Boeing 737-823 | N827NN | ||
| 19.06.2021 | United Airlines | UA764 / UAL764 | Denver | Boston | Boeing 737-924(ER) | N68842 | |||
| 19.06.2021 | United Airlines | UA85 / UAL85 | Tel Aviv | New York | Goose Bay | medical emergency | Boeing 787-10 Dreamliner | N14001 | |
| 19.06.2021 | Lufthansa | LH1749 / DLH22T | Rhodes | Munich | rejected takeoff | Airbus A320-214 | D-AIWF | ||
| 18.06.2021 | KLM | KL758 / KLM758 | Panama City | Amsterdam | Shannon | medical emergency | Boeing 777-206(ER) | PH-BQD | |
| 18.06.2021 | JetBlue | B6275 / JBU275 | Windsor Locks | San Juan | New York | Airbus A320-232 | N568JB | ||
| 18.06.2021 | Condor | DE1606 / CFG4KC | Munich | Mykonos | rejected takeoff due to airspeed disagree | Airbus A320-212 | D-AICE | ||
| 17.06.2021 | Pegas Fly | EO123 / KAR123 | Moscow | Simferopol | runway excursion on landing | Boeing 767-3Q8(ER) | VP-BMC | ||
| 17.06.2021 | Azul Linhas Aereas | AD4332 / AZU4332 | Campinas | Recife | Belo Horizonte | hydraulic issue | Airbus A320-251N | PR-YRV | |
| 16.06.2021 | Air Inuit | 3H802 / AIE802 | Montreal | Kuujjuarapik | Montreal | hydraulic issue | De Havilland Canada Dash 8-300 | C-FEAI | |
| 16.06.2021 | Arkia | IZ603 / AIZ603 | Tel Aviv | Dubai | Tel Aviv | medical emergency | Embraer E195AR | 4X-EMC | |
| 16.06.2021 | Air France | AF6 / AFR006 | Paris | New York | Brest | 7700 | medical emergency | Boeing 777-328(ER) | F-GSQH |
| 16.06.2021 | Southwest Airlines | WN4454 / SWA4454 | Las Vegas | Bozeman | Boeing 737-7H4 | N214WN | |||
| 15.06.2021 | American Airlines | AA2878 / AAL2878 | Miami | Washington | Miami | odor on board | Airbus A321-231 | N908AA | |
| 15.06.2021 | Air France | AF7538 / AFR26AZ | Paris | Montpellier | Paris | bird strike | Airbus A319-111 | F-GRHE | |
| 15.06.2021 | Southwest Airlines | WN5232 / SWA5232 | St. Louis | Los Angeles | Dallas | Boeing 737-8H4 | N8659D | ||
| 15.06.2021 | UTAir | UT528 / UTA528 | Tyumen | St. Petersburg | Tyumen | autopilot issue | Boeing 737-524 | VP-BYL | |
| 15.06.2021 | Wizz Air | W61023 / WZZ1023 | Katowice | Zaporizhzhia | Katowice | gear door opened | Airbus A320-232 | HA-LPU | |
| 15.06.2021 | Azul Linhas Aereas | AD4214 / AZU4214 | Campinas | Teresina | hydraulic issue | Airbus A320-251N | PR-YRF | ||
| 14.06.2021 | American Airlines | AA679 / AAL679 | Phoenix | Madison | Phoenix | hydraulic issue | Airbus A319-112 | N732US | |
| 14.06.2021 | TAP Air Portugal | TP1543 / TAP1543 | Lisbon | Praia | bird strike | Airbus A321-251NX | CS-TJR | ||
| 14.06.2021 | Safair | FA221 | George | Johannesburg | hydraulic issue | Boeing 737-4S3 | ZS-DMI | ||
| 14.06.2021 | Loganair | LM479 / LOG27VC | Stornoway | Glasgow | 7700 | Saab 340B | G-LGNK | ||
| 14.06.2021 | American Airlines | AA1498 / AAL1498 | Mexico City | Miami | Mexico City | engine issue | Airbus A319-112 | N740UW | |
| 14.06.2021 | Turkish Airlines | TK10 / THY10 | Los Angeles | Istanbul | New York | cracked windshield | Boeing 777-3F2(ER) | TC-LJI | |
| 14.06.2021 | IndiGo | 6E7979 / IGO7979 | Kannur | Hubli | burst tyre on landing | ATR 72-600 | VT-IYX | ||
| 13.06.2021 | Azul Linhas Aereas | AD2492 / AZU2492 | Ribeirao Preto | Recife | Campinas | hydraulic issue | Airbus A320-251N | PR-YRB | |
| 13.06.2021 | EasyJet | U22810 / EJU67ER | Palermo | Milan | loss of communication | Airbus A319-111 | OE-LQT | ||
| 13.06.2021 | SAS | SK2026 / SAS2026 | Stockholm | Umea | bird strike | Airbus A320-251N | SE-ROE | ||
| 13.06.2021 | Swiss | LX967 / SWR96C | Berlin | Zurich | fumes in cockpit | Airbus A320-214 | HB-JLP | ||
| 13.06.2021 | Swiss | LX966 / SWR94U | Zurich | Berlin | fumes in cockpit | Airbus A320-215 | HB-JLP | ||
| 12.06.2021 | Azerbaijan Airlines | J2125 / AHY125 | Baku | Antalya | rejected takeoff due to birdstrike | Airbus A320-214 | 4K-AZ79 | ||
| 12.06.2021 | FlyEgypt | FT501 / FEG501 | Cairo | Ra'sal-Khaymah | 7700 | pressurisation issue | Boeing 737-85P | SU-TMI | |
| 11.06.2021 | Air Algerie | AH3061 / DAH3061 | Beijing | Algiers | engine issue | Airbus A330-202 | 7T-VJA | ||
| 11.06.2021 | British Airways | BA81 / BAW81 | London | Accra | rejected takeoff due to unreliable speed | Boeing 777-236(ER) | G-YMMR | ||
| 11.06.2021 | Delta Air Lines | DL1730 / DAL1730 | Los Angeles | Atlanta | Oklahoma City | unruly passenger | Airbus A321-211 | N116DN | |
| 11.06.2021 | Swoop | WO419 / WSW419 | Kelowna | Toronto | Winnipeg | Boeing 737-8CT | C-FLBV | ||
| 10.06.2021 | Virgin Australia | VA9945 / VOZ9945 | Darwin | Hong Kong | Darwin | cracked windshield | Boeing 737-8KG | VH-VUY | |
| 10.06.2021 | JetBlue | B6263 / JBU263 | New York | Seattle | New York | Airbus A321-231 | N967JT | ||
| 10.06.2021 | Delta Air Lines | DL1131 / DAL1131 | Los Angeles | New York | Detroit | unruly passenger | Boeing 767-332(ER) | N1605 | |
| 10.06.2021 | American Airlines | AA5842 / ASH5842 | Dallas | Louisville | Dallas | Mitsubishi CRJ-900ER | N914FJ | ||
| 10.06.2021 | Ryanair | FR2925 / RYR23WD | Brussels | Lisbon | Bordeaux | 7700 | suspected fuel leak | Boeing 737-8AS | EI-EKI |
| 10.06.2021 | Delta Air Lines | DL4987 / EDV4987 | New York | Cincinnati | Pittsburgh | Mitsubishi CRJ-900LR | N182GJ | ||
| 10.06.2021 | S7 Airlines | S72004 / SBI2004 | Simferopol | Moscow | ground proximity warning system issue | Airbus A321-211 | VQ-BQJ | ||
| 09.06.2021 | American Airlines | AA3713 / ENY3713 | Chicago | Moline | Chicago | engine shut down | Embraer ERJ-145LR | N693AE | |
| 09.06.2021 | Southwest Airlines | WN4699 / SWA4699 | Dallas | Fort Lauderdale | Pensacola | unruly passenger | Boeing 737-7H4 | N445WN | |
| 09.06.2021 | LAM Mozambique Airlines | TM315 / LAM315 | Pemba | Maputo | Pemba | cracked windshield | Boeing 737-7Q8 | C9-BAR | |
| 09.06.2021 | Red Wings Airlines | WZ1024 / RWZ1024 | Anapa | Yekaterinburg | Anapa | landing gear issue | Sukhoi Superjet 100-95B | RA-89141 | |
| 08.06.2021 | Azul Linhas Aereas | AD2034 / AZU2034 | Manaus | Rio Branco | Porto Velho | 7700 | odor on board | Embraer E195AR | PR-AYO |
| 08.06.2021 | Pobeda | DP158 / PBD158 | Krasnodar | Moscow | bird strike | Boeing 737-8AL | VP-BPT | ||
| 08.06.2021 | Emirates | EK236 / UAE236 | Chicago | Dubai | Istanbul | medical emergency | Boeing 777-31H(ER) | A6-EQF | |
| 08.06.2021 | American Airlines | AA881 / AAL881 | Charlotte | Cancun | Charlotte | passenger boarded plane without prior security check | Airbus A321-231 | N508AY | |
| 08.06.2021 | Delta Air Lines | DL27 / DAL27 | Atlanta | Seoul | Detroit | Airbus A350-941 | N502DN | ||
| 07.06.2021 | Delta Air Lines | DL2282 / DAL2282 | Orlando | Atlanta | bird strike | Boeing 767-332(ER) | N174DN | ||
| 07.06.2021 | United Airlines | UA1677 / UAL1677 | Sint Maarten | New York | San Juan | Boeing 737-724 | N16703 | ||
| 07.06.2021 | Vistara | UK775 / VTI775 | Mumbai | Kolkata | turbulence encountered | Boeing 737-8AL | VT-TGE | ||
| 07.06.2021 | Delta Air Lines | DL4786 / EDV4786 | Atlanta | Asheville | Atlanta | flaps issue | Mitsubishi CRJ-200LR | N8869B | |
| 06.06.2021 | LATAM Airlines | LA509 / LAN509 | Miami | Santiago | tyre/landing gear issue | Boeing 787-9 Dreamliner | CC-BGP | ||
| 06.06.2021 | LATAM Airlines | LA3174 / TAM3174 | Joao Pessoa | Sao Paulo | Joao Pessoa | bird strike | Airbus A320-214 | PR-MHM | |
| 06.06.2021 | Air France | AF66 / AFR066 | Paris | Los Angeles | Paris | 7700 | Boeing 777-328(ER) | F-GZNA | |
| 05.06.2021 | Aeroflot | SU1446 / AFL1446 | Moscow | Orenburg | electrical issue | Sukhoi Superjet 100-95B | RA-89100 | ||
| 05.06.2021 | American Airlines | AA1427 / AAL1427 | Kingstown | Miami | rejected takeoff due to bird strike | Boeing 737 MAX 8 | N339SU | ||
| 05.06.2021 | Delta Air Lines | DL892 / DAL892 | New York | Anchorage | Buffalo | issue in cockpit | Boeing 767-332(ER) | N184DN | |
| 05.06.2021 | American Airlines | AA5331 / JIA5331 | Philadelphia | Birmingham | Norfolk | cracked windshield | Mitsubishi CRJ-900LR | N557NN | |
| 05.06.2021 | American Airlines | AA4474 / ENY4474 | Little Rock | Chicago | St. Louis | 7700 | possible mechanical issue | Embraer ERJ-145LR | N664MS |
| 04.06.2021 | Aeroflot | SU13 / AFL013 | St. Petersburg | Moscow | hydraulic issue | Airbus A321-211 | VQ-BED | ||
| 04.06.2021 | American Airlines | AA3210 / SKW3210 | Phoenix | Reno | Phoenix | pressurisation issue | Mitsubishi CRJ-701ER | N374CA | |
| 04.06.2021 | Delta Air Lines | DL386 / DAL386 | Los Angeles | Nashville | Albuquerque | unruly passenger | Boeing 737-932(ER) | N830DN | |
| 04.06.2021 | Air Canada | AC898 / ACA898 | Montreal | Athens | Gander | Boeing 787-9 Dreamliner | C-FNOE | ||
| 04.06.2021 | Frontier Airlines | F9538 / FFT538 | Denver | Washington | runway excursion on landing | Airbus A320-214 | N213FR | ||
| 04.06.2021 | American Airlines | AA3276 / SKW259E | Los Angeles | El Paso | Phoenix | 7700 | Mitsubishi CRJ-701ER | N763SK | |
| 04.06.2021 | American Airlines | AA3677 / ENY3677 | Chicago | Madison | Chicago | smell on board | Embraer ERJ-145LR | N673AE | |
| 03.06.2021 | Delta Air Lines | DL1396 / DAL1396 | New York | Orlando | New York | hydraulic issue | Airbus A320-211 | N320US | |
| 02.06.2021 | American Airlines | AA897 / AAL897 | Miami | Phoenix | rejected takeoff due to engine issue | Airbus A321-231 | N556UW | ||
| 02.06.2021 | Azul Linhas Aereas | AD4316 / AZU4316 | Campinas | Uberlandia | Campinas | flaps issue | ATR 72-600 | PR-AQE | |
| 02.06.2021 | Air Arabia | G9551 / ABY551 | Sharjah | Sialkot | Karachi | Airbus A321-251NX | A6-ATE | ||
| 01.06.2021 | Alaska Airlines | AS203 / ASA203 | Puerto Vallarta | Seattle | Las Vegas | cracked windshield | Boeing 737-990(ER) | N263AK | |
| 01.06.2021 | Southwest Airlines | WN5321 / SWA5321 | Las Vegas | St. Louis | Albuquerque | Boeing 737-7H4 | N451WN | ||
| 01.06.2021 | Belavia | B28284 / BRU8284 | Hurghada | Minsk | Krasnodar | technical issue | Boeing 737-86N | EW-526PA | |
| 31.05.2021 | JetBlue | B6637 / JBU637 | Raleigh-Durham | Los Angeles | Denver | Airbus A320-232 | N639JB | ||
| 31.05.2021 | SriLankan Airlines | UL206 / ALK206 | Muscat | Colombo | unreliable airspeed | Airbus A320-232 | 4R-ABL | ||
| 31.05.2021 | Airlink | 4Z127 / LNK127 | Windhoek | Johannesburg | Windhoek | 7700 | bird strike | Embraer E190AR | ZS-YAL |
| 30.05.2021 | Air Canada | AC2329 / ACA2329 | Melbourne | Toronto | engine issue | Airbus A320-214 | C-FXCD | ||
| 30.05.2021 | Delta Air Lines | DL9887 / DAL9887 | Reykjavik | New York | Reykjavik | odor on board | Boeing 757-2Q8 | N624AG | |
| 30.05.2021 | Ryanair | FR1901 / RYR329L | Dublin | Krakow | Berlin | potential security threat | Boeing 737-8AS | EI-EMO | |
| 30.05.2021 | American Airlines | AA940 / AAL940 | Santiago | Dallas | Santiago | 7700 | slat issue | Boeing 787-8 Dreamliner | N818AL |
| 30.05.2021 | Aeroflot | SU1460 / AFL1460 | Moscow | Novosibirsk | bird strike | Airbus A320-251N | VP-BPQ | ||
| 30.05.2021 | American Airlines | AA5151 / JIA5151 | Washington | Raleigh-Durham | rejected takeoff | Mitsubishi CRJ-702ER | N528EG | ||
| 29.05.2021 | American Airlines | AA50 / AAL50 | Dallas | London | Dallas | water supply issue | Boeing 777-323(ER) | N732AN | |
| 29.05.2021 | United Airlines | UA819 / UAL819 | Houston | Buenos Aires | Houston | generator issue | Boeing 787-9 Dreamliner | N13954 | |
| 28.05.2021 | Air France | AF55 / AFR055 | Washington | Paris | Washington | medical emergency | Boeing 777-328(ER) | F-GSQC | |
| 28.05.2021 | WestJet | WS3 / WJA3 | Toronto | London | Halifax | Boeing 787-9 Dreamliner | C-GUDO | ||
| 28.05.2021 | Alaska Airlines | AS854 / ASA854 | Kailua-Kona | Seattle | Honolulu | technical issue | Boeing 737-890 | N569AS | |
| 28.05.2021 | American Airlines | AA6029 / PDT6029 | Champaign | Charlotte | Cincinnati | 7700 | mechanical issue | Embraer ERJ-145LR | N659AE |
| 28.05.2021 | Aeroflot | SU500 / AFL500 | Moscow | Tel Aviv | Moscow | pressurisation issue | Airbus A321-211 | VP-BOE | |
| 28.05.2021 | Air Malta | KM612 / AMC612 | Luqa | Rome | rejected takeoff at high speed | Airbus A320-251N | 9H-NEC | ||
| 27.05.2021 | Delta Air Lines | DL1205 / DAL1205 | Minneapolis | Baltimore | Minneapolis | landing gear issue | Airbus A320-212 | N342NW | |
| 27.05.2021 | Air India | AI105 / AIC105 | Delhi | New York | Delhi | bat reported in cabin | Boeing 777-337(ER) | VT-ALM | |
| 27.05.2021 | TUI fly Belgium | TB2182 / JAF45G | Santorini | Brussels | Belgrade | 7700 | suspected fuel leak | Boeing 737-7K5 | OO-JAO |
| 27.05.2021 | JetSMART | JA270 / JAT270 | Concepcion | Antofagasta | Concepcion | bird strike | Airbus A320-271N | CC-AWL | |
| 27.05.2021 | Air New Zealand | NZ5065 / ANZ065M | Auckland | Nelson | New Plymouth | medical emergency | ATR 72-600 | ZK-MZB | |
| 26.05.2021 | Southwest Airlines | WN4390 / SWA4390 | Denver | San Jose | Denver | bird strike | Boeing 737-8H4 | N8569Z | |
| 26.05.2021 | Hawaiian Airlines | HA50 / HAL50 | Honolulu | New York | Honolulu | Airbus A330-243 | N378HA | ||
| 24.05.2021 | American Airlines | AA3097 / SKW3097 | Phoenix | Santa Barbara | Phoenix | gear disagree | Mitsubishi CRJ-701ER | N773SK | |
| 23.05.2021 | UTAir | UT734 / UTA734 | Dubai | Grozny | Dubai | landing gear issue | Boeing 737-8S3 | VQ-BDH | |
| 23.05.2021 | Sundair | SDR47XB | Dresden | Rhodes | Dresden | hydraulic issue | Airbus A320-214 | D-ANNA | |
| 23.05.2021 | American Airlines | AA1487 / AAL1487 | New York | Phoenix | Chicago | service door opened | Boeing 737-823 | N877NN | |
| 23.05.2021 | Ryanair | FR4978 / RYR1TZ | Athens | Vilnius | Minsk | 7700 | crew was notified by Belarus (ATC) of a potential security threat on board and were instructed to divert | Boeing 737-8AS | SP-RSM |
| 23.05.2021 | Japan Airlines | JL6729 / JAL6729 | Tokyo | Taipei | Osaka | 7700 | possible pressurisation issue | Boeing 767-346(ER) | JA616J |
| 22.05.2021 | LATAM Airlines | LA3216 / TAM3216 | Sao Paulo | Vitoria | Rio de Janeiro | 7700 | pressurisation issue | Airbus A320-214 | PR-MHA |
| 22.05.2021 | KLM | KL1603 / KLM57N | Amsterdam | Rome | Amsterdam | landing gear issue | Embraer E195-E2 | PH-NXD | |
| 22.05.2021 | Regional Express | ZL689 / RXA689 | Gold Coast | Melbourne | Sydney | Boeing 737-8FE | VH-REX | ||
| 22.05.2021 | Bulgaria Air | FB8509 / LZB8509 | Sofia | Sharm el-Sheikh | Sofia | engine issue | Airbus A320-214 | LZ-FBC | |
| 21.05.2021 | American Airlines | AA335 / AAL335 | Chicago | Miami | Chicago | hydraulic issue | Airbus A321-231 | N119NN | |
| 21.05.2021 | Southwest Airlines | WN1995 / SWA1995 | St. Louis | Cancun | rejected takeoff due to blown tyre | Boeing 737-73V | N558WN | ||
| 21.05.2021 | Alaska Airlines | AS2256 / QXE2256 | Pasco | Seattle | Yakima | possible sparks in galley | De Havilland Canada Dash 8-400 | N438QX | |
| 20.05.2021 | Czech Airlines | OK761 / CSA1DZ | Paris | Prague | 7700 | pressurisation issue | Airbus A320-214 | OK-HEU | |
| 20.05.2021 | United Airlines | UA881 / UAL881 | Chicago | Tokyo | slat issue | Boeing 787-9 Dreamliner | N26960 | ||
| 20.05.2021 | Ukraine International Airlines | PS712 / AUI712 | Istanbul | Kyiv | Odesa | 7700 | technical issue | Boeing 737-8FZ | UR-PSM |
| 19.05.2021 | American Airlines | AA60 / AAL60 | Tokyo | Dallas | Seattle | unruly passenger | Boeing 787-9 Dreamliner | N828AA | |
| 17.05.2021 | Air France | AF7673 / AFR52GZ | Marseille | Paris | rejected takeoff due to bird strike | Airbus A319-111 | F-GRHN | ||
| 17.05.2021 | American Airlines | AA2049 / AAL2049 | San Jose | Phoenix | San Jose | engine issue | Airbus A320-232 | N663AW | |
| 17.05.2021 | SAS | SK1012 / SAS1012 | Stockholm | Skelleftea | Stockholm | bird strike | Airbus A320-251N | SE-ROI | |
| 17.05.2021 | Aer Lingus | EI3690 / STK3690 | Belfast | Exeter | Birmingham | 7700 | medical emergency | ATR 72-600 | EI-FMJ |
| 16.05.2021 | Aeroflot | SU2383 / AFL2383 | Geneva | Moscow | lightning strike | Boeing 777-3M0(ER) | VQ-BFK | ||
| 16.05.2021 | T'way Air | TW943 / TWB943 | Busan | Jeju | unreliable airspeed | Boeing 737-8Q8 | HL8086 | ||
| 16.05.2021 | Air Moldova | 9U171 / MLD171 | Chisinau | Moscow | tail strike on landing | Airbus A321-211 | ER-AXR | ||
| 16.05.2021 | JetBlue | B6915 / JBU915 | New York | San Francisco | Minneapolis | disruptive passenger | Airbus A321-231 | N968JT | |
| 15.05.2021 | Delta Air Lines | DL142 / DAL142 | Seattle | Amsterdam | engine shut down | Airbus A330-941 | N403DX | ||
| 15.05.2021 | Air France | AF74 / AFR074 | Paris | Vancouver | Dublin | 7700 | Boeing 777-228(ER) | F-GSPX | |
| 15.05.2021 | Safair | FA280 / SFR280 | Johannesburg | Durban | park brakes indication | Boeing 737-844 | ZS-SJV | ||
| 14.05.2021 | Alaska Airlines | AS3332 / SKW3332 | Seattle | Fresno | Redmond | electrical issue | Embraer E175LR | N185SY | |
| 13.05.2021 | Smartwings | QS1240 / TVS05C | Prague | Hurghada | Prague | technical issue | Boeing 737 MAX 8 | OK-SWA | |
| 13.05.2021 | Allegiant Air | G41313 / AAY1313 | Cincinnati | Fort Lauderdale | Lexington | odor on board | Airbus A320-214 | N290NV | |
| 13.05.2021 | Qantas | QF2420 / QLK420D | Newcastle | Brisbane | potential landing gear issue | De Havilland Canada Dash 8-400 | VH-QON | ||
| 12.05.2021 | Yamal Airlines | YC245 / LLM245 | Tyumen | Novy Urengoy | engine issue | Sukhoi Superjet 100-95LR | RA-89090 | ||
| 11.05.2021 | Azur Air | ZF5034 / AZV5034 | Fergana | Moscow | stabilizer issue | Boeing 767-33A(ER) | VP-BRA | ||
| 10.05.2021 | Delta Air Lines | DL4665 / EDV4665 | Toronto | Detroit | wing tip strike on landing | Mitsubishi CRJ-200LR | N8928A | ||
| 10.05.2021 | Smartwings | QS4112 / TVS4112 | Prague | Ra'sal-Khaymah | Brno | cockpit window issue | Boeing 737-86N | OK-TVV | |
| 10.05.2021 | Ural Airlines | U6269 / SVR269 | Moscow | Yekaterinburg | Moscow | autopilot and autothrust issue | Airbus A319-112 | VP-BJV | |
| 10.05.2021 | Air Canada | AC8287 / JZA287 | Toronto | Timmins | Toronto | hydraulic issue | De Havilland Canada Dash 8-400 | C-GGAH | |
| 10.05.2021 | Pobeda | DP528 / PBD528 | Naberezhnye Chelny | St. Petersburg | Moscow | engine shut down | Boeing 737-8MC | VP-BQB | |
| 10.05.2021 | Azul Linhas Aereas | AD4800 / AZU4800 | Rio de Janeiro | Brasilia | Rio de Janeiro | engine issue | Airbus A320-251N | PR-YRY | |
| 10.05.2021 | Uni Air | B79091 / UIA9091 | Taipei | Matsu | Taipei | tyre issue | ATR 72-600 | B-17010 | |
| 09.05.2021 | Copa Airlines | CM713 / CMP713 | Maracaibo | Panama City | Maracaibo | bird strike | Boeing 737-8V3 | HP-1522CMP | |
| 09.05.2021 | Air France | AF377 / AFR377 | Detroit | Paris | Halifax | medical emergency | Boeing 787-9 Dreamliner | F-HRBF | |
| 09.05.2021 | Delta Air Lines | DL2281 / DAL2281 | Atlanta | Washington | Atlanta | windshield cracked after bird strike | Airbus A320-212 | N372NW | |
| 09.05.2021 | Trade Air | C3125 / TDR125 | Ljubljana | Funchal | Ljubljana | bird strike | Airbus A320-214 | 9A-BTH | |
| 09.05.2021 | Delta Air Lines | DL5057 / EDV5057 | Minneapolis | Rapid City | engine shut down | Mitsubishi CRJ-200LR | N832AY | ||
| 08.05.2021 | IndiGo | 6E443 / IGO443 | Bengaluru | Bagdogra / Siliguri | Vijayawada | medical emergency | Airbus A321-271NX | VT-IUP | |
| 08.05.2021 | American Airlines | AA2431 / AAL2431 | Los Angeles | Chicago | Phoenix | Airbus A321-231 | N119NN | ||
| 07.05.2021 | Nordwind Airlines | N4134 / NWS134 | Simferopol | Moscow | landing gear issue | Airbus A321-211 | VQ-BOD | ||
| 07.05.2021 | American Airlines | AA5176 / JIA5176 | Charlotte | Wilkes-Barre/Scranton | possible spoiler issue | Mitsubishi CRJ-900LR | N583NN | ||
| 07.05.2021 | Aeroflot | SU1245 / AFL1245 | Orenburg | Moscow | Orenburg | flaps issue | Boeing 737-8LJ | VP-BRF | |
| 06.05.2021 | Allegiant Air | G4314 / AAY314 | Los Angeles | Provo | Los Angeles | bird strike | Airbus A319-111 | N313NV | |
| 06.05.2021 | LOT | LO6543 / LOT6543 | Katowice | Cancun | Warsaw | technical issue | Boeing 787-8 Dreamliner | SP-LRE | |
| 05.05.2021 | Eurowings | EW9080 / GWI7MV | Dusseldorf | Munich | Dusseldorf | hydraulic issue | Airbus A319-112 | D-ABGN | |
| 05.05.2021 | Lufthansa | LH1087 / DLH85P | Marseille | Frankfurt | lightning strike | Embraer E190LR | D-AECE | ||
| 05.05.2021 | Ural Airlines | U671 / SVR071 | Moscow | Simferopol | rejected takeoff due to engine issue | Airbus A321-231 | VP-BBH | ||
| 04.05.2021 | United Airlines | UA46 / UAL46 | Houston | Frankfurt | flaps issue | Boeing 787-9 Dreamliner | N25982 | ||
| 04.05.2021 | Jiangxi Air | RY8984 / CJX8984 | Korla | Zhengzhou | Lanzhou | cracked windshield | Boeing 737-85C | B-1557 | |
| 03.05.2021 | American Airlines | AA2377 / AAL2377 | Dallas | Detroit | Dallas | electrical issue | Airbus A319-112 | N725UW | |
| 03.05.2021 | Delta Air Lines | DL628 / DAL628 | Salt Lake City | Mexico City | El Paso | 7700 | pressurisation issue | Boeing 757-232 | N696DL |
| 03.05.2021 | Virgin Atlantic | VS238 /VIR238 | London | Hong Kong | London | Boeing 787-9 Dreamliner | G-VBZZ | ||
| 02.05.2021 | American Airlines | AA5179 / JIA5179 | Philadelphia | Birmingham | Washington | cracked windshield | Mitsubishi CRJ-702ER | N541EA | |
| 01.05.2021 | Air Canada | AC8563 / JZA563 | Smithers | Vancouver | smell on board | De Havilland Canada Dash 8-400 | C-GGMU | ||
| 01.05.2021 | United Airlines | UA2435 / UAL2435 | Washington | San Francisco | Denver | Boeing 787-8 Dreamliner | N27901 | ||
| 01.05.2021 | American Airlines | AA2467 / AAL2467 | Dallas | Pittsburgh | rejected takeoff due to engine issue | Airbus A319-132 | N816AW | ||
| 30.04.2021 | Aeroflot | SU2168 / AFL2168 | Moscow | Brussels | Moscow | slat issue | Boeing 737-8LJ | VP-BRF | |
| 29.04.2021 | Azul Linhas Aereas | AD4209 / AZU4209 | Curitiba | Rio de Janeiro | hydraulic issue | Airbus A320-251N | PR-YRV | ||
| 29.04.2021 | El Al | LY2 / ELY002 | New York | Tel Aviv | escorted by fighter aircraft due to potential security threat on board | Boeing 787-9 Dreamliner | 4X-EDH | ||
| 29.04.2021 | Spirit Airlines | NK208 / NKS208 | Las Vegas | Dallas | turbulence encountered | Airbus A321-231 | N661NK | ||
| 28.04.2021 | United Airlines | UA540 / UAL540 | Denver | San Diego | Grand Junction | pressurisation issue | Boeing 737-824 | N14230 | |
| 26.04.2021 | American Airlines | AA163 / AAL163 | Dallas | Miami | Houston | hydraulic issue | Boeing 777-223(ER) | N755AN | |
| 25.04.2021 | Aeroflot | SU6568 / SDM6568 | Sochi | St. Petersburg | bird strike | Airbus A319-111 | VQ-BAS | ||
| 25.04.2021 | Air France | AF498 / AFR498 | Paris | Sint Maarten | 7700 | Airbus A330-203 | F-GZCG | ||
| 24.04.2021 | Transavia | TO4269 / TVF4269 | Monastir | Paris | Tunis | bird strike | Boeing 737-8GJ | F-HTVO | |
| 24.04.2021 | Transavia | HV6051 / TRA6051 | Rotterdam | Alicante | Amsterdam | airspeed and altitude indication issue | Boeing 737-7K2 | PH-XRX | |
| 24.04.2021 | American Airlines | AA2012 / AAL2012 | Las Vegas | Philadelphia | Phoenix | flaps issue | Airbus A321-231 | N975UY | |
| 24.04.2021 | Delta Air Lines | DL2200 / DAL2200 | Cincinnati | Orlando | Nashville | Boeing 737-832 | N382DA | ||
| 24.04.2021 | Finnair | AY1338 / FIN4CE | London | Helsinki | Copenhagen | smoke in the cockpit | Airbus A321-231 | OH-LZT | |
| 23.04.2021 | American Airlines | AA2960 / SKW2960 | Dallas | Tallahassee | Dallas | steering issue | Mitsubishi CRJ-701ER | N752EV | |
| 23.04.2021 | TAP Air Portugal | TP213 / TAP213 | Porto | New York | Lisbon | Airbus A330-941 | CS-TUH | ||
| 23.04.2021 | Air Europa | UX16 / AEA016 | San Pedro Sula | Madrid | St. John's | Boeing 787-8 | EC-MPE | ||
| 22.04.2021 | China Eastern Airlines | MU6996 / CES6996 | Chongqing | Taiyuan | Chongqing | bird strike | Boeing 737-89P | B-5857 | |
| 22.04.2021 | American Airlines | AA2544 / AAL2544 | Orlando | Charlotte | hydraulic issue | Airbus A321-231 | N924US | ||
| 22.04.2021 | American Airlines | AA936 / AAL936 | New York | St. Thomas | Charlotte | mechanical issue | Airbus A319-115 | N9017P | |
| 21.04.2021 | Voyageur Airways | VC100 / VAL100 | North Bay | Indianapolis | North Bay | engine shut down | De Havilland Canada Dash 8-100 | C-GKON | |
| 21.04.2021 | Vietnam Airlines | VN1500 / HVN1500 | Da Lat | Sao Vang | bird strike | Airbus A321-231 | VN-A339 | ||
| 21.04.2021 | Turkish Airlines | TK7083 / THY1YV | Van | Ankara | burst tyre on landing | Boeing 737-8JP | TC-JZR | ||
| 21.04.2021 | American Airlines | AA31 / AAL31 | Los Angeles | Honolulu | Los Angeles | Airbus A321-253NX | N410AN | ||
| 20.04.2021 | S7 Airlines | S75039 / SBI5039 | Novosibirsk | Perm | hard landing | Embraer E170STD | VQ-BBO | ||
| 20.04.2021 | Delta Air Lines | DL9950 / DAL9950 | Kansas City | Atlanta | Kansas City | airspeed indication issue | Boeing 737-932(ER) | N830DN | |
| 19.04.2021 | Red Wings Airlines | WZ425 / RWZ425 | Moscow | Yekaterinburg | Moscow | computer issue | Airbus A321-231 | VP-BER | |
| 19.04.2021 | Air New Zealand | NZ682 / ANZ682 | Dunedin | Wellington | Christchurch | technical issue | Airbus A320-232 | ZK-OXJ | |
| 18.04.2021 | All Nippon Airways | NH216 / ANA216 | Paris | Tokyo | Novosibirsk | medical emergency | Boeing 787-8 Dreamliner | JA814A | |
| 17.04.2021 | Aeroflot | SU6562 / SDM6562 | Sochi | St. Petersburg | bird strike | Airbus A319-111 | VP-BNJ | ||
| 17.04.2021 | Delta Air Lines | DL1855 / DAL1855 | New York | Santiago de los Caballeros | New York | airspeed indication issue | Boeing 737-932(ER) | N904DN | |
| 16.04.2021 | United Airlines | UA2781 / UAL2781 | Guam | Los Angeles | Midway Atoll | mechanical issue | Boeing 787-9 Dreamliner | N24974 | |
| 16.04.2021 | Aeroflot | SU1703 / AFL1703 | Vladivostok | Moscow | lightning strike | Airbus A330-343 | VQ-BQZ | ||
| 16.04.2021 | Azul Linhas Aereas | AD4212 | Campinas | Belo Horizonte | Campinas | weight on wheels system issue | Embraer E195AR | PR-AYV | |
| 16.04.2021 | Azul Linhas Aereas | AD4940 / AZU4940 | Campinas | Salvador | Campinas | avionics ventilation issue | Airbus A321-251NX | PR-YJA | |
| 16.04.2021 | American Airlines | AA665 / AAL665 | Dallas | Charlotte | Dallas | lightning strike | Airbus A321-231 | N540UW | |
| 16.04.2021 | Swiss | LX288 / SWR288 | Zurich | Johannesburg | Zurich | flaps issue | Airbus A340-313 | HB-JMA | |
| 16.04.2021 | JetBlue | B61769 / JBU1769 | New York | Guayaquil | Fort Lauderdale | Airbus A321-271NX | N2029J | ||
| 16.04.2021 | SpiceJet | SG9749 / SEJ9749 | Riyadh | Lucknow | Zahedan | windshield outer pane cracked | Boeing 737-8SH | VT-SZN | |
| 15.04.2021 | Air New Zealand | NZ952 / ANZ952 | Auckland | Nadi | Auckland | technical issue | Boeing 787-9 Dreamliner | ZK-NZL | |
| 15.04.2021 | Air Canada | AC7932 / JZA7932 | Toronto | Thunder Bay | Toronto | landing gear issue | De Havilland Canada Dash 8-400 | C-GKUK | |
| 15.04.2021 | American Airlines | AA3596 / ENY3596 | Dallas | Abilene | Dallas | 7700 | bleed air issue | Embraer ERJ-145LR | N605KS |
| 14.04.2021 | JetBlue | B61760 / JBU1760 | Kingston | New York | Charleston | medical emergency | Airbus A321-231 | N970JB | |
| 14.04.2021 | Alaska Airlines | AS765 / ASA765 | Baltimore | Seattle | Missoula | 7700 | medical emergency | Boeing 737-990(ER) | N284AK |
| 14.04.2021 | Qatar Airways | QR704 / QTR1HT | New York | Doha | St. John's | Airbus A350-1041 | A7-ANF | ||
| 14.04.2021 | Air Greenland | GL4651 / GRL4651 | Kulusuk | Nuuk | Kulusuk | engine shut down | De Havilland Canada Dash 8-200 | OY-GRP | |
| 13.04.2021 | American Airlines | AA415 / AAL415 | Miami | San Salvador | Miami | fuel system issue | Boeing 737-823 | N868NN | |
| 13.04.2021 | S7 Airlines | S71146 / SBI1146 | Chelyabinsk | Moscow | bird strike | Airbus A320-271N | VQ-BCR | ||
| 12.04.2021 | American Airlines | AA935 / AAL935 | Miami | Puerto Plata | Miami | landing gear issue | Boeing 737-823 | N337PJ | |
| 12.04.2021 | Delta Air Lines | DL3557 / SKW3557 | Pasco | Seattle | Pasco | bird strike | Embraer E175LR | N282SY | |
| 12.04.2021 | Azul Linhas Aereas | AD4040 / AZU4040 | Rio de Janeiro | Campinas | Rio de Janeiro | 7700 | smoke on board | Embraer E195AR | PR-AUE |
| 11.04.2021 | China Airlines | CI783 / CAL783 | Taipei | Ho Chi Minh City | bird strike | Airbus A350-941 | B-18903 | ||
| 11.04.2021 | EasyJet | U23776 / EJU49XB | Porto | Paris | Porto | Airbus A320-214 | OE-IJQ | ||
| 11.04.2021 | British Airways | BA139 / BAW139 | London | Mumbai | London | weather radar issue | Boeing 777-236(ER) | G-YMMA | |
| 11.04.2021 | Azur Air | ZF344 / AZV344 | Sochi | St. Petersburg | Sochi | pressurisation issue | Boeing 737-8Q8 | VP-BIR | |
| 10.04.2021 | Air Canada | AC8701 / JZA701 | Quebec | Montreal | unsafe gear indication | De Havilland Canada Dash 8-400 | C-GGOY | ||
| 10.04.2021 | Delta Air Lines | DL5068 / EDV5068 | Wausau | Detroit | rejected takeoff due to a bird strike | Mitsubishi CRJ-200LR | N801AY | ||
| 10.04.2021 | Delta Air Lines | DL3767 / SKW3767 | Minneapolis | Grand Forks | bird strike | Mitsubishi CRJ-900LR | N829SK | ||
| 10.04.2021 | American Airlines | AA1189 / AAL1189 | Tampa | Dallas | lightning strike | Airbus A321-231 | N928AM | ||
| 10.04.2021 | Air India Express | IX1322 / AXB1322 | Riyadh | Kozhikode | Cochin | tyre issue | Boeing 737-8HG | VT-AXI | |
| 09.04.2021 | American Airlines | AA1979 / AAL1979 | Philadelphia | Orlando | Charlotte | hydraulic issue | Airbus A321-231 | N535UW | |
| 09.04.2021 | Azul Linhas Aereas | AD4248 / AZU4248 | Belo Horizonte | Barreiras | unsafe gear indication | ATR 72-600 | PR-AQK | ||
| 09.04.2021 | American Airlines | AA476 / AAL476 | Atlanta | Phoenix | Memphis | possible mechanical issue | Boeing 737-823 | N841NN | |
| 09.04.2021 | Emirates | EK241 / UAE241 | Dubai | Toronto | Reykjavik | Boeing 777-36N(ER) | A6-ECM | ||
| 09.04.2021 | Air India Express | IX393 / AXB393 | Kozhikode | Kuwait City | Kozhikode | smoke indication in cargo hold | Boeing 737-8HG | VT-AXT | |
| 09.04.2021 | Air New Zealand | NZ8207 / ANZ207L | Auckland | Blenheim | engine shut down | De Havilland Canada Dash 8-300 | ZK-NEO | ||
| 08.04.2021 | American Airlines | AA4278 / ENY4278 | Champaign | Dallas | brakes issue | Embraer ERJ-145LR | N673AE | ||
| 08.04.2021 | American Airlines | AA778 / AAL778 | Charlotte | Phoenix | rejected takeoff due to an engine issue | Airbus A321-231 | N551UW | ||
| 08.04.2021 | American Airlines | AA5 / AAL5 | Dallas | Honolulu | Los Angeles | maintenance issue | Boeing 777-223(ER) | N752AN | |
| 08.04.2021 | JetBlue | B615 / JBU15 | New York | San Francisco | Las Vegas | medical emergency | Airbus A321-231 | N993JE | |
| 08.04.2021 | Frontier Airlines | F9536 / FFT536 | Denver | Washington | Denver | smell on board | Airbus A321-211 | N711FR | |
| 07.04.2021 | LATAM Airlines | LA4619 / TAM4619 | Porto Alegre | Sao Paulo | Porto Alegre | hydraulic issue | Airbus A320-232 | PR-MBF | |
| 07.04.2021 | Delta Air Lines | DL253 / DAL253 | New York | Bogota | Atlanta | Boeing 767-332(ER) | N184DN | ||
| 07.04.2021 | British Airways | BA277 / BAW277 | London | Hyderabad | London | technical issue | Boeing 777-236(ER) | G-YMMR | |
| 07.04.2021 | Ryanair | FR2642 / RYR264N | London | Riga | Bremen | 7700 | Boeing 737-8AS | EI-DCZ | |
| 06.04.2021 | American Airlines | AA548 / AAL548 | Miami | Georgetown | Miami | pressurisation issue | Boeing 737-823 | N868NN | |
| 06.04.2021 | Azul Linhas Aereas | AD9997 / AZU9997 | Campinas | Brussels | flaps issue | Airbus A330-941 | PR-ANX | ||
| 05.04.2021 | United Airlines | UA484 / UAL484 | Denver | Las Vegas | Denver | hydraulic issue | Boeing 737-924(ER) | N69847 | |
| 05.04.2021 | Air Canada | AC8262 / JZA262 | Nanaimo | Vancouver | bird strike | De Havilland Canada Dash 8-400 | C-GGNW | ||
| 05.04.2021 | Air France | AF950 / AFR950 | Paris | Havana | Halifax | medical emergency | Boeing 777-328(ER) | F-GZNI | |
| 05.04.2021 | United Airlines | UA4884 / UCA4884 | Little Rock | Denver | engine oil pressure | Embraer ERJ-145XR | N11181 | ||
| 05.04.2021 | Wideroe | WF592 / WIF91L | Kristiansand | Bergen | unsafe gear indication | De Havilland Canada Dash 8-400 | LN-WDJ | ||
| 05.04.2021 | Serene Air | ER502 / SEP502 | Karachi | Islamabad | Karachi | engine issue | Airbus A330-202 | AP-BNE | |
| 05.04.2021 | Nordwind | N4651 / NWS651 | Kazan | Istanbul | Moscow | landing gear issue | Boeing 737-8Q8 | VQ-BVY | |
| 05.04.2021 | El Al | LY3041 / ELY3041 | Tel Aviv | Cancun | Paris | 7700 | Boeing 787-9 Dreamliner | 4X-EDL | |
| 04.04.2021 | Azul Linhas Aereas | AD4383 / AZU4383 | Manaus | Campinas | Manaus | engine issue | Airbus A320-251N | PR-YRI | |
| 04.04.2021 | Azimuth | A4250 / AZO250 | Chelyabinsk | Rostov-on-Don | hydraulic issue | Sukhoi Superjet 100-95LR | RA-89093 | ||
| 04.04.2021 | All Nippon Airways | NH203 / ANA203 | Tokyo | Frankfurt | Krasnoyarsk | 7700 | engine oil quantity and pressure issue | Boeing 787-9 Dreamliner | JA872A |
| 03.04.2021 | Pobeda | DP179 / PBD179 | Moscow | Mineralnye Vody | anti-ice system issue | Boeing 737-8LJ | VQ-BTH | ||
| 02.04.2021 | Vueling | VY3500 / VLG3500 | Barcelona | Ibiza | Barcelona | engine shut down | Airbus A319-112 | EC-MIR | |
| 02.04.2021 | IndiGo | 6E6654 / IGO6654 | Lucknow | Bengaluru | 7700 | pressurisation issue | Airbus A320-271N | VT-ITM | |
| 02.04.2021 | UTAir | UT390 / UTA390 | Kaliningrad | Moscow | flaps issue | Boeing 737-8S3 | VQ-BDH | ||
| 02.04.2021 | Air Greenland | GL3426 / GRL3426 | Narsarsuaq | Kangerlussuaq | engine shut down | De Havilland Canada Dash 8-200 | OY-GRP | ||
| 01.04.2021 | American Airlines | AA5285 / JIA5285 | Washington | Charlotte | Washington | gear issue indication | Mitsubishi CRJ-900LR | N599NN | |
| 01.04.2021 | Delta Air Lines | DL2112 / DAL2112 | Atlanta | Minneapolis | Atlanta | Boeing 757-232 | N697DL | ||
| 31.03.2021 | American Airlines | AA1707 / AAL1707 | Charlotte | San Jose | Miami | standby display system issue | Boeing 737-823 | N876NN | |
| 31.03.2021 | Bamboo Airways | QH1055 / BAV1055 | Haiphong | Con Dao | Hanoi | bird strike | Embraer E195LR | OY-GDC | |
| 30.03.2021 | British Airways | BA268 / BAW268 | Los Angeles | London | 7700 | medical emergency | Boeing 777-236(ER) | G-YMMJ | |
| 30.03.2021 | Air France | AF498 / AFR498 | Paris | Sint Maarten | St. John's | medical emergency | Airbus A330-203 | F-GZCF | |
| 30.03.2021 | Aeroflot | SU1157 / AFL1157 | Rostov-on-Don | Moscow | fuel cap missing | Airbus A320-214 | VP-BIJ | ||
| 30.03.2021 | Delta Air Lines | DL8944 / DAL8944 | Salt Lake City | Memphis | Salt Lake City | bird strike | Boeing 757-232 | N651DL | |
| 30.03.2021 | Spirit Airlines | NK303 / NKS303 | Atlantic City | Orlando | Atlantic City | bird strike | Airbus A320-232 | N604NK | |
| 30.03.2021 | United Airlines | UA1260 / UAL1260 | Las Vegas | Denver | flaps issue | Boeing 737-924(ER) | N37466 | ||
| 30.03.2021 | Southwest Airlines | WN903 / SWA903 | Tampa | Denver | speed brake issue | Boeing 737-7BD | N7704B | ||
| 29.03.2021 | American Airlines | AA987 / AAL987 | Miami | Santo Domingo | Miami | pitch trim issue | Boeing 737 MAX 8 | N302SA | |
| 28.03.2021 | American Airlines | AA6142 / PDT6142 | Blountville | Charlotte | turbulence encountered | Embraer ERJ-145LR | N650AE | ||
| 28.03.2021 | All Nippon Airways | NH106 / ANA106 | Tokyo | Los Angeles | Vancouver | engine oil pressure issue | Boeing 777-381(ER) | JA788A | |
| 28.03.2021 | Batik Air | ID6355 / BTK6355 | Semarang | Jakarta | Semarang | hydraulic issue | Boeing 737-9GP(ER) | PK-LBI | |
| 28.03.2021 | Airnorth | TL131 / ANO131 | Melbourne | Toowoomba | Brisbane | flaps issue | Fokker 70 | VH-QQX | |
| 28.03.2021 | Aeroflot | SU1104 / AFL1104 | Moscow | Krasnodar | flaps issue | Boeing 737-8LJ | VP-BZB | ||
| 27.03.2021 | Swift Air | WQ287 / SWQ287 | San Antonio | Detroit | Evansville | pressurisation issue | Boeing 737-4B7 | N438US | |
| 27.03.2021 | Air Canada | AC911 / ACA911 | Fort Lauderdale | Toronto | flaps issue | Airbus A321-211 | C-GIUF | ||
| 27.03.2021 | Aeroflot | SU1703 / AFL1703 | Vladivostok | Moscow | rejected takeoff due to engine issue | Airbus A330-343 | VP-BDD | ||
| 27.03.2021 | SpiceJet | SG2003 / SEJ2003 | Delhi | Varanasi | unruly passenger | De Havilland Canada Dash 8-400 | VT-SQG | ||
| 26.03.2021 | Sky Airline | H25142 / SKX5142 | Arequipa | Lima | hydraulic issue | Airbus A320-251N | CC-AZE | ||
| 26.03.2021 | American Airlines | AA5440 / JIA5440 | Akron | Philadelphia | Akron | fire in cockpit | Mitsubishi CRJ-701ER | N709PS | |
| 26.03.2021 | American Airlines | AA74 / AAL74 | Honolulu | Chicago | Los Angeles | tyre pressure issue | Boeing 777-223(ER) | N779AN | |
| 26.03.2021 | Fly Baghdad | IF7 / FBA007 | Corlu | Vilnius | flaps issue | Mitsubishi CRJ-200ER | YI-BAH | ||
| 25.03.2021 | Eurowings | EW1278 / EWG1278 | Frankfurt | Windhoek | rejected takeoff due to computer issue | Airbus A330-343 | OO-SFP | ||
| 24.03.2021 | Spirit Airlines | NK185 / NKS185 | Cleveland | Los Angeles | Denver | unruly passenger | Airbus A320-232 | N653NK | |
| 23.03.2021 | JetBlue | B61825 / JBU1825 | Fort Lauderdale | Lima | Fort Lauderdale | bird strike | Airbus A321-271NX | N2039J | |
| 23.03.2021 | Qatar Airways | QR832 / QTR832 | Doha | Bangkok | Doha | tyre issue | Boeing 777-3DZ(ER) | A7-BAE | |
| 23.03.2021 | British Airways | BA139 / BAW139 | London | Mumbai | Kuwait City | medical emergency | Boeing 777-336(ER) | G-STBI | |
| 22.03.2021 | American Airlines | AA2341 / AAL2341 | Miami | Las Vegas | tail strike on landing | Airbus A321-231 | N143AN | ||
| 21.03.2021 | SriLankan Airlines | UL606 / ALK606 | Colombo | Sydney | autopilot issue | Airbus A330-343 | 4R-ALR | ||
| 21.03.2021 | United Airlines | UA4332 / UCA4332 | Houston | Little Rock | bird strike | Embraer ERJ-145XR | N16183 | ||
| 21.03.2021 | Iberia | IB6453 / IBE6453 | Madrid | Quito | Lisbon | Airbus A350-941 | EC-MXV | ||
| 20.03.2021 | Condor | DE2199 / CFG199 | Varadero | Frankfurt | Shannon | medical emergency | Boeing 767-343(ER) | D-ABUK | |
| 20.03.2021 | American Airlines | AA2727 / AAL2727 | Miami | Santiago de los Caballeros | Miami | pressurisation issue | Airbus A321-231 | N910AU | |
| 20.03.2021 | Alliance Air | 9I714 / LLR714 | Chandigarh | Dharamsala | bird strike | ATR 72-600 | VT-RKM | ||
| 19.03.2021 | Nauru Airlines | ON1 / RON1 | Nauru | Brisbane | engine compressor stall | Boeing 737-36N | VH-PNI | ||
| 19.03.2021 | Air New Zealand | NZ75 / ANZ75 | Auckland | Seoul | Auckland | computer issue | Boeing 787-9 Dreamliner | ZK-NZI | |
| 19.03.2021 | Buraq Air | UZ138 / BRQ138 | Tripoli | Alexandria | Tripoli | technical issue | Boeing 737-8GK | 5A-DMG | |
| 19.03.2021 | Ural Airlines | U63002 / SVR3002 | Antalya | Moscow | Rostov-on-Don | engine shut down | Airbus A321-211 | VQ-BOB | |
| 19.03.2021 | Turkish Airlines | TK347 / THY347 | Bishkek | Istanbul | Ankara | medical emergency | Airbus A321-271NX | TC-LSA | |
| 18.03.2021 | VivaAeroBus | VB4343 / VIV4343 | Puerto Vallarta | Monterrey | nose gear issue prior to takeoff | Airbus A320-232 | XA-VAZ | ||
| 18.03.2021 | Delta Air Lines | DL4757 / EDV4757 | Atlanta | Chattanooga | wing tip strike on landing | Mitsubishi CRJ-900LR | N910XJ | ||
| 17.03.2021 | Southwest Airlines | WN1581 / SWA1581 | Oakland | Phoenix | Oakland | engine shut down | Boeing 737-8H4 | N8557Q | |
| 17.03.2021 | Azur Air Ukraine | QU4490 / UTN4490 | La Romana | Kyiv | La Romana | technical issue | Boeing 767-33A(ER) | UR-AZK | |
| 17.03.2021 | United Airlines | UA728 / UAL728 | New York | Miami | Charleston | disruptive passenger | Boeing 737-824 | N76503 | |
| 17.03.2021 | Pakistan International Airlines | PK368 / PIA368 | Karachi | Islamabad | Karachi | bird strike | Airbus A320-214 | AP-BLU | |
| 16.03.2021 | Azimuth | A4525 / AZO525 | Yaroslavl | Sochi | hard landing | Sukhoi Superjet 100-95LR | RA-89079 | ||
| 16.03.2021 | LATAM Airlines | LA3031 / TAM3031 | Rio de Janeiro | Fortaleza | Belo Horizonte | hail strike and weather | Airbus A320-214 | PR-MYQ | |
| 16.03.2021 | Lufthansa | LH515 / DLH515 | Cancun | Frankfurt | Cancun | engine issue | Airbus A340-313 | D-AIFD | |
| 16.03.2021 | American Airlines | AA1849 / AAL1849 | Charlotte | San Diego | Los Angeles | Airbus A321-231 | N572UW | ||
| 16.03.2021 | Eurowings | EW7760 / EWG2T | Hamburg | Zurich | Hamburg | landing gear issue | Airbus A319-132 | D-AGWU | |
| 16.03.2021 | S7 Airlines | S75227 / SBI5227 | Novosibirsk | Irkutsk | Novosibirsk | engine shut down | Airbus A320-271N | VQ-BDQ | |
| 15.03.2021 | American Airlines | AA1601 / AAL1601 | Cancun | Dallas | turbulence encountered | Boeing 777-223(ER) | N789AN | ||
| 15.03.2021 | United Airlines | UA79 / UAL79 | New York | Tokyo | New York | air-conditioning issue | Boeing 787-9 Dreamliner | N29961 | |
| 15.03.2021 | Virgin Atlantic | VS453 / VIR453 | London | Tel Aviv | London | laser strike | Boeing 787-9 Dreamliner | G-VDIA | |
| 14.03.2021 | KLM | KL1659 / KLM39S | Amsterdam | Venice | Amsterdam | engine issue | Embraer E175STD | PH-EXK | |
| 13.03.2021 | Turkish Airlines | TK1553 / THY5TD | Istanbul | Hannover | hard landing | Airbus A321-271NX | TC-LSB | ||
| 13.03.2021 | IndiGo | 6E6235 / IGO6235 | Chennai | Delhi | Nagpur | medical emergency | Airbus A320-271N | VT-ITS | |
| 13.03.2021 | Alaska Airlines | AS2135 / QXE2135 | Los Angeles | Reno | Sacramento | 7700 | pressurisation issue | Embraer E175LR | N630QX |
| 13.03.2021 | Alaska Airlines | AS1413 / ASA1413 | Portland | Los Angeles | Sacramento | medical emergency | Boeing 737-990(ER) | N266AK | |
| 13.03.2021 | Southwest Airlines | WN2404 / SWA2404 | Pittsburgh | Las Vegas | Lubbock | Boeing 737-7H4 | N902WN | ||
| 12.03.2021 | Air Canada | AC128 / ACA128 | Vancouver | Toronto | Vancouver | cracked windshield | Boeing 787-8 Dreamliner | C-GHPX | |
| 12.03.2021 | Pakistan International Airlines | PK217 / PIA217 | Peshawar | Abu Dhabi | Peshawar | technical issue | Airbus A320-216 | AP-BLY | |
| 12.03.2021 | S7 Airlines | S72513 / SBI2513 | Moscow | Novosibirsk | Tyumen | engine shut down | Airbus A321-211 | VQ-BQK | |
| 12.03.2021 | Victory Air | N15VA | Statesville | Tulsa | Statesville | engine oil pressure issue | Embraer ERJ-145LR | N15VA | |
| 11.03.2021 | American Airlines | AA2514 / AAL2514 | Miami | Denver | Miami | suspected fuel leak | Boeing 737-823 | N843NN | |
| 11.03.2021 | Air Canada | AC25 / ACA025 | Vancouver | Seoul | Anchorage | Boeing 787-9 Dreamliner | C-FGFZ | ||
| 11.03.2021 | KLM | KL1831 / KLM81N | Amsterdam | Berlin | lightning strike | Embraer E195-E2 | PH-NXA | ||
| 11.03.2021 | Frontier Airlines | F9751 / FFT751 | Denver | Phoenix | Denver | odor on board | Airbus A321-211 | N712FR | |
| 10.03.2021 | Jeju Air | 7C264 / JJA264 | Seoul | Busan | wing tip strike on landing | Boeing 737-8K5 | HL8322 | ||
| 10.03.2021 | American Airlines | AA2124 / AAL2124 | Washington | New York LaGuardia | New York JFK | hydraulic issue | Airbus A320-214 | N104UW | |
| 10.03.2021 | United Airlines | UA728 / UAL728 | New York | Miami | Washington | Boeing 737-824 | N12216 | ||
| 09.03.2021 | American Airlines | AA310 / AAL310 | Norfolk | Charlotte | Norfolk | bird strike | Airbus A320-214 | N121UW | |
| 09.03.2021 | American Airlines | AA2022 / AAL2022 | Charlotte | Boston | hydraulic issue | Airbus A319-112 | N769US | ||
| 09.03.2021 | American Airlines | AA1844 / AAL1844 | Chicago | Jackson | Chicago | bird strike | Airbus A319-115 | N9021H | |
| 09.03.2021 | British Airways | BA1306 / SHT18LA | London | Aberdeen | Manchester | 7700 | medical emergency | Airbus A320-232 | G-GATU |
| 08.03.2021 | Tunisair | TU462 / TAR462 | Monastir | Lyon | Tunis | 7700 | technical issue | Boeing 737-6H3 | TS-ION |
| 08.03.2021 | Air France | AF178 / AFR178 | Paris | Mexico City | Paris | Boeing 777-328(ER) | F-GSQK | ||
| 07.03.2021 | Azul Linhas Aereas | AD4033 / AZU4033 | Campinas | Aracaju | Belo Horizonte | odor on board | Airbus A320-251N | PR-YRU | |
| 07.03.2021 | Delta Air Lines | DL1748 / DAL1748 | Fort Lauderdale | New York | Fort Lauderdale | possible engine issue | Airbus A320-212 | N345NW | |
| 07.03.2021 | American Airlines | AA2278 / AAL2278 | Washington | Miami | Charleston | medical emergency | Boeing 737 MAX 8 | N335SN | |
| 07.03.2021 | American Airlines | AA2933 / AAL2933 | Philadelphia | Charlotte | Philadelphia | fumes on board | Airbus A321-231 | N976UY | |
| 07.03.2021 | American Airlines | AA818 / AAL818 | Dallas | Cancun | Dallas | engine issue | Airbus A321-231 | N996AN | |
| 06.03.2021 | Batik Air | ID6803 / BTK6803 | Jambi | Jakarta | Jambi | landing gear issue | Airbus A320-214 | PK-LUT | |
| 05.03.2021 | Air France | AF226 / AFR226 | Paris | Delhi | Sofia | disruptive passenger | Airbus A350-941 | F-HTYA | |
| 05.03.2021 | Alaska Airlines | AS2306 / QXE2306 | Seattle | Pasco | turbulence encountered | De Havilland Canada Dash 8-400 | N440QX | ||
| 05.03.2021 | American Airlines | AA2555 / AAL2555 | Miami | New York | engine shut down | Boeing 737 MAX 8 | N327SK | ||
| 05.03.2021 | United Airlines | UA868 / UAL868 | Delhi | San Francisco | Tokyo | customer service matter in the cabin | Boeing 787-9 Dreamliner | N26966 | |
| 04.03.2021 | Gol Linhas Aéreas | G31765 / GLO1765 | Sao Luis | Sao Paulo | Sao Luis | bird strike | Boeing 737-76N | PR-GOW | |
| 04.03.2021 | American Airlines | AA9744 / AAL9744 | Dallas | Rome | Boston | Boeing 787-9 Dreamliner | N835AN | ||
| 04.03.2021 | Delta Air Lines | DL1837 / DAL1837 | San Jose del Cabo | Seattle | Sacramento | medical emergency | Airbus A319-114 | N343NB | |
| 03.03.2021 | JetBlue | B61262 / JBU1262 | West Palm Beach | New York LaGuardia | New York JFK | flaps issue | Embraer E190AR | N190JB | |
| 03.03.2021 | United Airlines | UA2265 / UAL2265 | Los Angeles | Chicago | Denver | smoke in the cockpit | Boeing 757-33N | N57870 | |
| 02.03.2021 | IndiGo | 6E1412 / IGO1412 | Sharjah | Lucknow | Karachi | medical emergency | Airbus A320-271N | VT-IVW | |
| 02.03.2021 | Azul Linhas Aereas | AD4357 / AZU4357 | Rio de Janeiro | Campinas | Rio de Janeiro | landing gear issue | Embraer E195AR | PR-AYG | |
| 28.02.2021 | Air Tahiti | VT949 / VTA949 | Papeete | Hao | Papeete | technical issue | ATR 72-600 | F-ORVR | |
| 28.02.2021 | EasyJet | U21536 / EZS38LY | Brussels | Geneva | engine shut down | Airbus A320-214 | HB-JXK | ||
| 28.02.2021 | Azul Linhas Aereas | AD4097 / AZU4097 | Rio de Janeiro | Belo Horizonte | smell on board | Embraer E195AR | PR-AUF | ||
| 28.02.2021 | United Airlines | UA2728 / UAL2728 | Roswell | Orlando | 7700 | smoke on board | Boeing 757-224 | N57111 | |
| 28.02.2021 | Air Canada | AC42 / ACA42 | Toronto | Delhi | Toronto | mechanical issue | Boeing 777-333(ER) | C-FIVQ | |
| 28.02.2021 | Air Canada | AC8730 / JZA730 | Montreal | Quebec | Montreal | hydraulic issue | De Havilland Canada Dash 8-400 | C-GGAH | |
| 28.02.2021 | KLM | KL515 / KLM517 | Amsterdam | Zanzibar | Amsterdam | bird strike | Boeing 777-206(ER) | PH-BQD | |
| 27.02.2021 | Southwest Airlines | WN2024 / SWA2024 | Las Vegas | Little Rock | bird strike | Boeing 737-7H4 | N960WN | ||
| 27.02.2021 | Royal Jordanian | RJ404 / RJA92C | Beirut | Amman | Beirut | technical issue | Airbus A319-132 | JY-AYN | |
| 26.02.2021 | United Airlines | UA5130 / SKW5130 | Chicago | Rochester | Chicago | unusual noise heard in the cockpit | Mitsubishi CRJ-200LR | N937EV | |
| 26.02.2021 | Southwest Airlines | WN2044 / SWA2044 | Chicago | Fort Myers | Atlanta | mechanical issue | Boeing 737-7H4 | N959WN | |
| 26.02.2021 | LAM Mozambique Airlines | TM1134 / LAM1134 | Maputo | Quelimane | runway excursion on landing | Boeing 737-7Q8 | C9-BAR | ||
| 25.02.2021 | Southwest Airlines | WN4666 / SWA4666 | St. Louis | Phoenix | Amarillo | medical emergency | Boeing 737-8H4 | N8663A | |
| 24.02.2021 | American Airlines | AA776 / AAL776 | Dallas | Los Angeles | Phoenix | disruptive passenger | Airbus A321-253NX | N400AN | |
| 24.02.2021 | AirSial | PF125 / SIF125 | Karachi | Islamabad | bird strike | Airbus A320-233 | AP-BOB | ||
| 24.02.2021 | United Airlines | UA6029 / ASH6029 | Houston | Memphis | turbulence encountered | Embraer E175LR | N87303 | ||
| 24.02.2021 | Royal Jordanian | RJ264 / RJA264 | Chicago | Amman | Goose Bay | medical emergency | Boeing 787-8 Dreamliner | JY-BAC | |
| 24.02.2021 | American Airlines | AA3059 / SKW3059 | Tallahassee | Dallas | Mobile | mechanical issue | Mitsubishi CRJ-701ER | N763SK | |
| 24.02.2021 | American Airlines | AA3150 / SKW3150 | Chicago | Aspen | possible smoke/fumes in cabin | Mitsubishi CRJ-701ER | N715SK | ||
| 24.02.2021 | American Airlines | AA2075 / AAL2075 | Orlando | Dallas | Tampa | passenger servicing | Airbus A321-231 | N148AN | |
| 23.02.2021 | LATAM Airlines | LA3455 / TAM3455 | Sao Paulo | Porto Alegre | pressurisation issue | Airbus A320-214 | PR-TYQ | ||
| 22.02.2021 | Delta Air Lines | DL2123 / DAL2123 | Atlanta | Seattle | Salt Lake City | engine issue | Boeing 757-26D | N819DX | |
| 21.02.2021 | Delta Air Lines | DL1655 / DAL1655 | Louisville | Atlanta | Louisville | trim issue | Boeing 737-832 | N3736C | |
| 21.02.2021 | Japan Airlines | JL48 / JAL48 | Helsinki | Tokyo | Helsinki | engine issue | Boeing 787-9 Dreamliner | JA867J | |
| 21.02.2021 | Emirates | EK201 / UAE201 | Dubai | New York | Amsterdam | suspected fuel leak | Boeing 777-31H(ER) | A6-EQJ | |
| 20.02.2021 | Donghai Airlines | DZ6297 / EPA6297 | Nantong | Xi'an | incident on board | Boeing 737-8Q8 | B-5311 | ||
| 20.02.2021 | United Airlines | UA328 / UAL328 | Denver | Honolulu | Denver | engine issue | Boeing 777-222 | N772UA | |
| 20.02.2021 | Air India Express | IX1676 / AXB1676 | Doha | Vijayawada | collision with a lighting pole | Boeing 737-86N | VT-GHE | ||
| 20.02.2021 | United Airlines | UA1832 / UAL1832 | Cancun | Houston | New Orleans | 7700 | mechanical issue | Boeing 737-824 | N77538 |
| 20.02.2021 | American Airlines | AA4909 / RPA4909 | Tampa | Washington | Atlanta | 7700 | flaps issue | Embraer E175LR | N418YX |
| 19.02.2021 | Swiftair | WT102 / SWT102 | Palma de Mallorca | Madrid | tyre issue | ATR 72-500 | EC-LYJ | ||
| 19.02.2021 | Voyageur Airways | VC200 / VAL200 | Halifax | North Bay | Halifax | landing gear issue | Mitsubishi CRJ-200LR | C-FMUV | |
| 19.02.2021 | Yemenia | IY608 / IYE608 | Aden | Cairo | Jeddah | technical issue | Airbus A320-233 | 7O-AFC | |
| 19.02.2021 | American Airlines | AA1576 / AAL1576 | Dallas | Key West | Dallas | pressurisation issue | Airbus A319-115 | N9002U | |
| 19.02.2021 | Delta Air Lines | DL643 / DAL643 | Cancun | New York | Savannah | disruptive passenger | Boeing 757-232 | N6702 | |
| 19.02.2021 | Air India Express | IX1346 / AXB1346 | Sharjah | Kozhikode | Thiruvananthapuram | hydraulic issue | Boeing 737-8HG | VT-AXX | |
| 18.02.2021 | LATAM Airlines | LA3495 / TAM3495 | Sao Paulo | Fortaleza | Sao Paulo | unreliable airspeed | Airbus A319-132 | PT-TMG | |
| 18.02.2021 | Loganair | LM901 / LOG901 | Aberdeen | Sumburgh | Aberdeen | 7700 | engine issue | ATR 42-500 | G-LMRB |
| 17.02.2021 | Garuda Indonesia | GA642 / GIA642 | Makassar | Gorontalo | Makassar | engine issue | Boeing 737-8U3 | PK-GFF | |
| 17.02.2021 | Oman Air | WY405 / OMA405 | Muscat | Cairo | Muscat | 7700 | Boeing 737-81M | A4O-BAA | |
| 17.02.2021 | Alaska Airlines | AS807 / ASA807 | Seattle | Kailua-Kona | Seattle | 7700 | Boeing 737-890 | N569AS | |
| 17.02.2021 | Azul Linhas Aereas | AD4631 / AZU4631 | Recife | Rio de Janeiro | Salvador | engine issue | Airbus A320-251N | PR-YRR | |
| 16.02.2021 | Azman Air | ZQ2325 / AZM2325 | Abuja | Lagos | burst tyre on landing | Boeing 737-56N | 5N-SYS | ||
| 16.02.2021 | American Airlines | AA917 / AAL917 | Miami | Lima | Kingston | cracked windshield | Boeing 787-8 Dreamliner | N811AB | |
| 16.02.2021 | IndiGo | 6E6195 / IGO6195 | Indore | Chennai | Indore | cracked windshield | Airbus A320-232 | VT-IKB | |
| 15.02.2021 | Frontier Airlines | F97011 / FFT7011 | Nashville | Las Vegas | cancelled takeoff due to improper deicing | Airbus A321-211 | N710FR | ||
| 15.02.2021 | Aeroflot | SU1508 / AFL1508 | Moscow | Tyumen | rejected takeoff due to a brakes issue | Sukhoi Superjet 100-95B | RA-89125 | ||
| 14.02.2021 | Red Wings Airlines | WZ1025 / RWZ1025 | Yekaterinburg | Ufa | Yekaterinburg | fuel filter issue | Sukhoi Superjet 100-95B | RA-89137 | |
| 13.02.2021 | American Airlines | AA4170 / ENY4170 | Gulfport | Dallas | Alexandria | smoke on board | Embraer ERJ-145LR | N698CB | |
| 12.02.2021 | Air Canada | AC8991 / JZA991 | St. John's | Halifax | St. John's | fumes in cabin | De Havilland Canada Dash 8-400 | C-GJZA | |
| 12.02.2021 | American Airlines | AA1990 / AAL1990 | Charlotte | Tampa | Charlotte | hydraulic issue | Airbus A321-211 | N162UW | |
| 12.02.2021 | Alrosa | 6R551 / DRU551 | Novosibirsk | Udachny | Novosibirsk | engine issue | Boeing 737-7CT | EI-GCV | |
| 11.02.2021 | Azul Linhas Aereas | AD4372 / AZU4372 | Campinas | Salvador | Campinas | smoke in the cabin | Airbus A320-251N | PR-YRK | |
| 10.02.2021 | Air Canada | AC7895 / JZA7895 | Thompson | Toronto | flaps issue | Mitsubishi CRJ-200ER | C-GGJA | ||
| 10.02.2021 | Aeroflot | SU6413 / SDM6413 | St. Petersburg | Ufa | St. Petersburg | display system issue | Airbus A319-111 | VQ-BAS | |
| 10.02.2021 | Iberia | IB8694 / ANE8694 | Madrid | Brussels | brakes issue | Mitsubishi CRJ-1000 | EC-MQQ | ||
| 10.02.2021 | Air Greenland | GL632 / GRL632 | Nuuk | Kulusuk | Nuuk | engine shut down | De Havilland Canada Dash 8-200 | OY-GRJ | |
| 09.02.2021 | American Airlines | AA2214 / AAL2214 | Phoenix | San Antonio | Phoenix | strange sounds heard in the cockpit | Boeing 737-823 | N901NN | |
| 09.02.2021 | American Airlines | AA3950 / ENY3950 | Columbia | Dallas | Springfield | landing gear issue | Embraer ERJ-145LR | N900AE | |
| 09.02.2021 | Azul Linhas Aereas | AD4296 / AZU4296 | Campinas | Bauru | rejected takeoff due to an engine issue | ATR 72-600 | PR-AQP | ||
| 09.02.2021 | IndiGo | 6E291 / IGO291 | Guwahati | Bengaluru | Kolkata | caution message | Airbus A320-271N | VT-ISD | |
| 09.02.2021 | N46VA | Statesville | Daytona Beach | 7700 | Embraer ERJ-145LR | N46VA | |||
| 08.02.2021 | American Airlines | AA3500 / ENY3500 | Garden City | Dallas | Grand Island | 7700 | landing gear issue | Embraer ERJ-145LR | N615AE |
| 07.02.2021 | British Airways | BA49 / BAW49 | London | Seattle | turbulence encountered | Boeing 787-9 Dreamliner | G-ZBKG | ||
| 07.02.2021 | LATAM Airlines | LA4781 / TAM4781 | Manaus | Sao Paulo | damaged tyre on landing | Boeing 777-32W(ER) | PT-MUE | ||
| 07.02.2021 | Alaska Airlines | AS2093 / QXE2093 | Los Angeles | Bozeman | Las Vegas | smoke in the cockpit | Embraer E175LR | N627QX | |
| 07.02.2021 | Aeroflot | SU1357 / AFL1357 | Saratov | Moscow | rejected takeoff due to a technical issue | Sukhoi Superjet 100-95B | RA-89042 | ||
| 07.02.2021 | Air India | AI566 / AIC566 | Lucknow | Bengaluru | Hyderabad | Airbus A320-214 | VT-EDC | ||
| 06.02.2021 | Lufthansa | LH413 / DLH413 | New York | Munich | New York | odor on board | Airbus A350-941 | D-AIXJ | |
| 06.02.2021 | American Airlines | AA299 / AAL299 | Miami | Montego Bay | Miami | fuel imbalance | Boeing 737-823 | N843NN | |
| 06.02.2021 | Aeroflot | SU2694 / AFL2694 | Moscow | Amsterdam | Moscow | radio partial failure | Airbus A320-214 | VQ-BEH | |
| 05.02.2021 | Saudia | SV322 / SVA322 | Cairo | Abha | Jeddah | 7700 | pressurisation issue | Airbus A320-214 | HZ-AS38 |
| 05.02.2021 | Pegas Fly | EO339 / KAR339 | Moscow | Magnitogorsk | Nizhny Novgorod | cracked windshield | Embraer E190AR | VP-BZJ | |
| 04.02.2021 | American Airlines | AA840 / AAL840 | Charlotte | Montego Bay | Miami | mechanical issue | Airbus A321-231 | N510UW | |
| 04.02.2021 | Qantas | QF583 / QFA583 | Sydney | Perth | Adelaide | 7700 | pressurisation issue | Airbus A330-202 | VH-EBK |
| 04.02.2021 | Aeroflot | SU5626 / SHU5626 | Khabarovsk | Yuzhno-Sakhalinsk | smoke in the cockpit | Airbus A319-111 | VP-BUN | ||
| 03.02.2021 | LATAM Airlines | LA3040 / TAM3040 | Brasilia | Vitoria | Brasilia | pressurisation issue | Airbus A320-214 | PR-MHP | |
| 02.02.2021 | Azimuth | A4254 / AZO254 | Nizhny Novgorod | Rostov-on-Don | Nizhny Novgorod | 7700 | engine issue | Sukhoi Superjet 100-95LR | RA-89085 |
| 01.02.2021 | Delta Air Lines | DL9983 / RPA9983 | Lafayette | Baltimore | Indianapolis | mechanical issue | Embraer E170SU | N821MD | |
| 01.02.2021 | SpiceJet | SG275 / SEJ275 | Kolkata | Bagdogra - Siliguri | Kolkata | smoke in the cabin | Boeing 737-8GJ | VT-SGY | |
| 01.02.2021 | Azores Airlines | S4160 / RZO160 | Ponta Delgada | Funchal | 7700 | pressurisation issue | De Havilland Canada Dash 8-400 | CS-TRE | |
| 31.01.2021 | United Airlines | UA5431 / SKW5431 | Denver | Billings | Denver | engine issue | Mitsubishi CRJ-200LR | N919SW | |
| 31.01.2021 | Azul Linhas Aereas | AD4442 / AZU4442 | Belo Horizonte | Montes Claros | Belo Horizonte | engine issue | ATR 72-600 | PR-TKJ | |
| 31.01.2021 | Azimuth | A4339 / AZO339 | Krasnodar | Astrakhan | Krasnodar | technical issue | Sukhoi Superjet 100-95B | RA-89120 | |
| 31.01.2021 | Air New Zealand | NZ8876 / ANZ876L | Invercargill | Wellington | Dunedin | medical emergency | De Havilland Canada Dash 8-300 | ZK-NFB | |
| 30.01.2021 | S7 Airlines | S73062 / SBI3062 | Blagoveshchensk | Moscow | Novosibirsk | suspected fuel leak | Airbus A321-271N | VQ-BGU | |
| 29.01.2021 | Azul Linhas Aereas | AD4384 / AZU4384 | Campinas | Rondonopolis | Campinas | technical issue | ATR 72-600 | PR-AQM | |
| 29.01.2021 | Air Canada | AC317 / ACA317 | Montreal | Calgary | Winnipeg | mechanical issue | Airbus A220-300 | C-GJXV | |
| 28.01.2021 | American Airlines | AA1237 / AAL1237 | Dallas | St. Thomas | New Orleans | fuel leak indication | Airbus A319-115 | N9022G | |
| 28.01.2021 | Iberia | IB8710 / ANE10GJ | Madrid | Frankfurt | Madrid | 7700 | Mitsubishi CRJ-1000 | EC-MJO | |
| 27.01.2021 | Brussels Airlines | SN204 / BEL204 | Dakar | Brussels | Gran Canaria | medical emergency | Airbus A330-342 | OO-SFD | |
| 27.01.2021 | American Airlines | AA5637 / JIA5637 | Charlotte | Springfield | Knoxville | possible mechanical issue | Mitsubishi CRJ-702ER | N539EA | |
| 27.01.2021 | SpiceJet | SG8429 / SEJ8429 | Bengaluru | Delhi | Hyderabad | technical reasons | Boeing 737-85R | VT-SYX | |
| 26.01.2021 | Pegasus Airlines | PC939 / PGT36R | Istanbul | Basel | landing gear issue | Airbus A320-251N | TC-NBH | ||
| 25.01.2021 | LATAM | LA3080 / TAM3080 | Brasilia | Teresina | Brasilia | bird strike | Airbus A320-214 | PR-MYV | |
| 25.01.2021 | WestJet | WS3139 / WEN3139 | Calgary | Fort McMurray | Calgary | engine issue | De Havilland Canada Dash 8-400 | C-FWEP | |
| 24.01.2021 | American Airlines | AA4 / AAL4 | Los Angeles | New York | Los Angeles | pressurisation issue | Boeing 777-223(ER) | N782AN | |
| 24.01.2021 | JetBlue | B61710 / JBU1710 | Port-au-Prince | Fort Lauderdale | Port-au-Prince | engine issue | Airbus A321-271NX | N2029J | |
| 24.01.2021 | Capital Airlines | JD5166 / CBJ5166 | Harbin | Guangzhou | Beijing | 7700 | cargo smoke indication | Airbus A321-231 | B-8189 |
| 24.01.2021 | Bamboo Airways | QH1061 / BAV1061 | Da Nang | Con Dao | Da Nang | 7700 | fuel leak | Embraer E195LR | SP-LNH |
| 24.01.2021 | Delta Air Lines | DL2084 / DAL2084 | Tampa | Raleigh-Durham | Tampa | bird strike | Airbus A319-114 | N318NB | |
| 23.01.2021 | KLM | KL730 / KLM730 | Sint Maarten | Amsterdam | Lajes | medical emergency | Airbus A330-203 | PH-AOA | |
| 23.01.2021 | Ural Airlines | U68986 / SVR8986 | Bishkek | Yekaterinburg | Bishkek | odor in the cockpit | Airbus A320-232 | VP-BDL | |
| 23.01.2021 | American Airlines | AA622 / AAL622 | Philadelphia | Punta Cana | Philadelphia | engine issue | Airbus A321-231 | N996AN | |
| 23.01.2021 | Vistara | UK717 / VTI717 | Bengaluru | Patna | bird strike during landing | Airbus A320-251N | VT-TNW | ||
| 22.01.2021 | Air Canada | AC8918 / JZA918 | Toronto | Moncton | Toronto | engine issue | Mitsubishi CRJ-900LR | C-GJZS | |
| 22.01.2021 | Westjet | WS658 / WJA658 | Calgary | Toronto | cancelled after potential fault indication | Boeing 737 MAX 8 | C-FRYV | ||
| 22.01.2021 | Aeroflot | SU6035 / SDM6035 | St. Petersburg | Moscow | St. Petersburg | engine issue | Airbus A319-111 | VQ-BAU | |
| 22.01.2021 | Qantas | QLK509D | Mackay | Brisbane | Rockhampton | smell in the cockpit | De Havilland Canada Dash 8-400 | VH-QOC | |
| 21.01.2021 | American Airlines | AA843 / AAL843 | Philadelphia | Montego Bay | Charlotte | potential door seal issue | Airbus A320-214 | N127UW | |
| 21.01.2021 | American Airlines | AA4945 / RPA4945 | Miami | Belize City | Miami | pressurisation issue | Embraer E175LR | N418YX | |
| 21.01.2021 | British Airways | BA260 / BAW260 | Islamabad | London | Islamabad | medical emergency | Boeing 777-236(ER) | G-YMME | |
| 21.01.2021 | Ryan Air | 7S907 / RYA907 | Kodiak | Anchorage | windshield heating element issue | Saab 340A | N907RA | ||
| 21.01.2021 | TAROM | RO415 / ROT415 | Bucharest | Madrid | Timisoara | medical emergency | Boeing 737-82R | YR-BGK | |
| 21.01.2021 | LATAM | LA8104 / TAM8104 | Sao Paulo | Lima | Campo Grande | fuel leak | Airbus A320-214 | PR-TYR | |
| 20.01.2021 | Azul Linhas Aereas | AD4840 / AZU4840 | Jericoacoara | Sao Paulo | Salvador | engine issue | Airbus A320-251N | PR-YYC | |
| 20.01.2021 | All Nippon Airways | NH8549 / ANA8549 | Chicago | Tokyo | Chicago | 7700 | engine issue | Boeing 777-381(ER) | JA787A |
| 20.01.2021 | Japan Airlines | JL141 / JAL141 | Tokyo | Aomori | Tokyo | cracked windshield | Boeing 737-846 | JA345J | |
| 19.01.2021 | LATAM | LA3142 / TAM3142 | Sao Paulo | Vitoria | rejected takeoff due to an engine issue | Airbus A320-214 | PR-TYA | ||
| 19.01.2021 | Go Air | G8307 / GOW307 | Lucknow | Mumbai | Nagpur | medical emergency | Airbus A320-271N | VT-WJK | |
| 19.01.2021 | American Airlines | AA813 / AAL813 | Charlotte | Cozumel | Charlotte | hydraulic issue | Airbus A320-214 | N119US | |
| 18.01.2021 | American Airlines | AA1452 / AAL1452 | Chicago | Miami | Nashville | unruly passenger | Boeing 787-8 Dreamliner | N806AA | |
| 18.01.2021 | Austrian Airlines | OS352 / AUA3PJ | Brussels | Vienna | Nuremberg | cracked windshield | De Havilland Canada Dash 8-400 | OE-LGO | |
| 18.01.2021 | Southwest Airlines | WN2757 / SWA2757 | Baltimore | Jacksonville | Baltimore | bird strike | Boeing 737-7H4 | N227WN | |
| 17.01.2021 | Emirates | EK957 / UAE957 | Dubai | Beirut | turbulence encountered | Boeing 777-31H(ER) | A6-EPN | ||
| 17.01.2021 | KLM | KL895 / KLM895 | Amsterdam | Seoul | Amsterdam | medical emergency | Boeing 777-306(ER) | PH-BVR | |
| 17.01.2021 | IndiGo | 6E357 / IGO357 | Surat | Kolkata | Bhopal | smell in the cockpit | Airbus A320-271N | VT-ITH | |
| 16.01.2021 | Lufthansa | LH806 / DLH4UX | Frankfurt | Stockholm | rejected takeoff due to a bird strike | Airbus A320-271N | D-AIJB | ||
| 16.01.2021 | Delta Air Lines | DL1822 / DAL1822 | Santiago de los Caballeros | New York | Santiago de los Caballeros | engine issue | Boeing 737-932(ER) | N843DN | |
| 16.01.2021 | Air Canada | AC874 / ACA874 | Montreal | Frankfurt | slat issue | Boeing 787-9 Dreamliner | C-FGDZ | ||
| 16.01.2021 | IndiGo | 6E307 / IGO307 | Delhi | Kolkata | Lucknow | Airbus A320-271N | VT-IJO | ||
| 15.01.2021 | Virgin Australia | VA580 / VOZ580 | Adelaide | Canberra | Adelaide | medical emergency | Boeing 737-8FE | VH-YFY | |
| 14.01.2021 | Azul Linhas Aereas | AD4180 / AZU4180 | Uberlandia | Belo Horizonte | Uberlandia | odor in the cockpit | ATR 72-600 | PR-AKD | |
| 14.01.2021 | Yamal Airlines | YC32 / LLM32 | Moscow | Salekhard | St. Petersburg | 7700 | technical issue | Airbus A320-232 | VP-BBN |
| 13.01.2021 | Aeroflot | SU1703 / AFL1703 | Vladivostok | Moscow | brakes issue | Airbus A330-343 | VQ-BMY | ||
| 13.01.2021 | British Airways | BA209 / BAW209 | London | Miami | London | Boeing 787-9 Dreamliner | G-ZBKK | ||
| 13.01.2021 | Spirit Airlines | NK264 / NKS264 | Houston | Fort Lauderdale | Houston | animal strike on departure | Airbus A320-271N | N922NK | |
| 12.01.2021 | Delta Air Lines | DL765 / DAL765 | New York | Salt Lake City | New York | landing gear issue | Boeing 767-432(ER) | N831MH | |
| 11.01.2021 | Voepass Linhas Aéreas | 2Z2264 / 2264 | Sao Paulo | Aracatuba | Sao Paulo | landing gear issue | ATR 72-600 | PR-PDO | |
| 11.01.2021 | SpiceJet | SG3282 / SEJ3282 | Jharsuguda | Kolkata | 7700 | pressurisation issue | De Havilland Canada Dash 8-400 | VT-SUJ | |
| 11.01.2021 | Southwest Airlines | WN2104 / SWA2104 | Phoenix | Baltimore | a threatening note discovered by crew | Boeing 737-8H4 | N8302F | ||
| 10.01.2021 | American Airlines | AA2494 / AAL2494 | Miami | Cancun | Miami | engine oil leak | Airbus A321-231 | N167AN | |
| 10.01.2021 | Tunisair | TU642 / TAR642 | Tunis | Vienna | Tunis | landing gear issue | Airbus A319-114 | TS-IMO | |
| 09.01.2021 | American Airlines | AA1181 / AAL1181 | Miami | Eagle | Dallas Fort Worth | hydraulic issue | Airbus A319-115 | N8027D | |
| 09.01.2021 | Air Canada | AC323 / ACA323 | Montreal | Calgary | Toronto | Airbus A220-300 | C-GJYA | ||
| 09.01.2021 | Sriwijaya Air | SJ182 / SJY182 | Jakarta | Pontianak | Boeing 737-524 | PK-CLC | |||
| 08.01.2021 | Sriwijaya Air | SJ591 / SJY591 | Makassar | Jakarta | Makassar | engine issue | Boeing 737-86N | PK-CRI | |
| 08.01.2021 | UTAir | UT137 / UTA137 | Surgut | Novosibirsk | engine shut down | ATR 72-500 | VQ-BLH | ||
| 07.01.2021 | United Airlines | UA3806 / AWI3806 | Montreal | Washington | Syracuse | thrust reverser issue | Mitsubishi CRJ-200LR | N449AW | |
| 07.01.2021 | Delta Air Lines | DL161 / DAL161 | Amsterdam | Minneapolis | Dublin | medical emergency | Boeing 767-332(ER) | N192DN | |
| 07.01.2021 | LATAM Airlines | LA3408 / TAM3408 | Sao Paulo | Joao Pessoa | Sao Paulo | animal strike on takeoff | Airbus A320-214 | PR-MYK | |
| 07.01.2021 | Air Canada | AC8219 / JZA219 | Sydney | Toronto | Moncton | smoke in the cabin | Mitsubishi CRJ-900LR | C-FUJZ | |
| 06.01.2021 | Azul Linhas Aereas | AD4627 / AZU4627 | Porto Seguro | Sao Paulo Congonhas Airport | Sao Paulo Guarulhos | flaps issue | Airbus A320-251N | PR-YRJ | |
| 06.01.2021 | American Airlines | AA3283 / SKW3283 | Fort Wayne | Dallas | Wichita | 7700 | Mitsubishi CRJ-701ER | N751SK | |
| 06.01.2021 | Delta Air Lines | DL75 / DAL75 | Amsterdam | Atlanta | Amsterdam | door seal issue | Airbus A350-941 | N504DN | |
| 05.01.2021 | American Airlines | AA5648 / JIA5648 | Charlotte | Omaha | Charlotte | gear indication | Mitsubishi CRJ-900LR | N599NN | |
| 04.01.2021 | American Airlines | AA2307 / AAL2307 | Miami | Puerto Plata | Miami | fuel system issue | Boeing 737-823 | N843NN | |
| 04.01.2021 | American Airlines | AA6025 / PDT6025 | Washington | Portland | Windsor Locks | mechanical issue | Embraer ERJ-145LR | N665BC | |
| 04.01.2021 | United Airlines | UA3788 / AWI3788 | Washington | Syracuse | Elmira | engine issue | Mitsubishi CRJ-200LR | N429AW | |
| 03.01.2021 | Aeromexico | AM549 / AMX549 | Cancun | Mexico City | rejected takeoff due to a bird strike | Boeing 787-8 Dreamliner | N782AM | ||
| 02.01.2021 | United Airlines | UA5890 / SKW5890 | Milwaukee | Denver | Sioux Falls | cracked windshield | Mitsubishi CRJ-701ER | N782SK | |
| 02.01.2021 | American Airlines | AA2741 / AAL2741 | Boston | Dallas | rejected takeoff | Boeing 737-823 | N990AN | ||
| 02.01.2021 | EasyJet | U28914 / EZY14WT | Faro | London | Nantes | 7700 | Airbus A321-251NX | G-UZMC | |
| 01.01.2021 | American Airlines | AA5088 / JIA5088 | Burlington | Philadelphia | Albany | wing anti ice issue | Mitsubishi CRJ-701ER | N716PS | |
| 01.01.2021 | American Airlines | AA2755 / AAL2755 | Charlotte | Minneapolis | rejected takeoff due to a windshear | Boeing 737-823 | N901NN |
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