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.

UA1387 (BWI-SFO)
This United Airlines flight between Baltimore-Washington International Thurgood Marshall Airport and San Francisco International Airport, on March 31, 2023, was operated by another airline. It arrived at gate E12. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1387.
UA1306 (SFO-LAS)
This United Airlines flight between San Francisco International Airport and McCarran International Airport, on March 26, 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 UA1306.
UA435 (KOA-SFO)
This United Airlines flight between Kailua-Kona International Airport and San Francisco International Airport, on March 25, 2023, was operated by another airline. It arrived at gate E4. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA435.
UA1227 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on March 25, 2023. It departed from gate E11. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1227.
UA1095 (BNA-SFO)
This United Airlines flight between Nashville International Airport and San Francisco International Airport, on March 25, 2023, was operated by another airline. It arrived at gate E11. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1095.
UA283 (SFO-BNA)
This United Airlines flight traveled from San Francisco International Airport to Nashville International Airport, on March 24, 2023. It departed from gate E10. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA283.
UA1971 (MIA-SFO)
This United Airlines flight between Miami International Airport and San Francisco International Airport, on March 24, 2023, was operated by another airline. It arrived at gate E10. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1971.
UA1702 (SFO-MIA)
This United Airlines flight between San Francisco International Airport and Miami International Airport, on March 24, 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 UA1702.
UA2123 (AUS-SFO)
This United Airlines flight between Austin-Bergstrom International Airport and San Francisco International Airport, on March 24, 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 UA2123.
UA1093 (SFO-PDX)
This United Airlines flight between San Francisco International Airport and Portland International Airport, on March 19, 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 UA1093.
UA1728 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on March 19, 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 UA1728.
UA1092 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on March 18, 2023, was operated by another airline. It departed from gate E9. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1092.