Flights for the airplane with tail number N27421 These are not all the flights for this airplane, just the ones that have flown in and out of SFO since we've been counting. See all the airports this plane has visited for those flights or all the airplanes we've logged so far.

UA360 (DEN-SFO)
This United Airlines flight between Denver International Airport and San Francisco International Airport, on May 10, 2023, was operated by another airline. It arrived at gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA360.
UA1986 (SFO-SEA)
This United Airlines flight between San Francisco International Airport and Tacoma International Airport, on May 03, 2023, was operated by another airline. It departed from gate D10. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1986.
UA2296 (MFR-SFO)
This United Airlines flight between Rogue Valley International-Medford Airport and San Francisco International Airport, on May 03, 2023, was operated by another airline. It arrived at gate D10. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2296.
UA1893 (IAD-SFO)
This United Airlines flight between Dulles International Airport and San Francisco International Airport, on May 02, 2023, was operated by another airline. It arrived at gate E6. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1893.
UA2627 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on April 24, 2023, was operated by another airline. It departed from gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2627.
UA1435 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on April 17, 2023, was operated by another airline. It departed from gate E5. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1435.
UA574 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on April 17, 2023, was operated by another airline. It arrived at gate E5. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA574.
UA2426 (SFO-LAS)
This United Airlines flight between San Francisco International Airport and McCarran International Airport, on April 17, 2023, was operated by another airline. It departed from gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2426.
UA2145 (PDX-SFO)
This United Airlines flight between Portland International Airport and San Francisco International Airport, on April 17, 2023, was operated by another airline. It arrived at gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2145.
UA1306 (SFO-LAS)
This United Airlines flight between San Francisco International Airport and McCarran International Airport, on April 10, 2023, was operated by another airline. It departed from gate E8. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1306.
UA1997 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on April 10, 2023, was operated by another airline. It arrived at gate E8. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1997.
UA277 (SFO-LAS)
This United Airlines flight between San Francisco International Airport and McCarran International Airport, on March 31, 2023, was operated by another airline. It departed from gate E12. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA277.