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.

UA1724 (KOA-SFO)
This United Airlines flight between Kailua-Kona International Airport and San Francisco International Airport, on November 17, 2022, was operated by another airline. It arrived at gate F20. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1724.
UA457 (BWI-SFO)
This United Airlines flight between Baltimore-Washington International Thurgood Marshall Airport and San Francisco International Airport, on November 14, 2022, 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 UA457.
UA436 (SFO-BWI)
This United Airlines flight between San Francisco International Airport and Baltimore-Washington International Thurgood Marshall Airport, on November 13, 2022, was operated by another airline. It departed from gate E6. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA436.
UA2621 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on November 13, 2022, 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 UA2621.
UA1927 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on November 12, 2022, 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 UA1927.
UA1118 (CUN-SFO)
This United Airlines flight traveled from Cancun Airport to San Francisco International Airport, on November 11, 2022. It arrived at gate G3. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1118.
UA1723 (SFO-KOA)
This United Airlines flight between San Francisco International Airport and Kailua-Kona International Airport, on November 06, 2022, 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 UA1723.
UA1488 (SAN-SFO)
This United Airlines flight between San Diego International Airport and San Francisco International Airport, on November 06, 2022, was operated by another airline. It arrived at gate E9. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1488.
UA2669 (SFO-SAN)
This United Airlines flight between San Francisco International Airport and San Diego International Airport, on November 06, 2022, 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 UA2669.
UA1881 (TPA-SFO)
This United Airlines flight traveled from Tampa International Airport to San Francisco International Airport, on November 06, 2022. It arrived at gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1881.
UA1724 (KOA-SFO)
This United Airlines flight between Kailua-Kona International Airport and San Francisco International Airport, on November 06, 2022, was operated by another airline. It arrived at gate F19. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1724.
UA1116 (SFO-TPA)
This United Airlines flight between San Francisco International Airport and Tampa International Airport, on November 05, 2022, was operated by another airline. It departed from gate E3. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1116.