Flights for the airplane with tail number N21108 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.

UA274 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on January 17, 2024, was operated by another airline. It departed from gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA274.
UA2400 (BOS-SFO)
This United Airlines flight between Gen E L Logan International Airport and San Francisco International Airport, on January 16, 2024, was operated by another airline. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA2400.
UA716 (SFO-BOS)
This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on January 16, 2024, was operated by another airline. It departed from gate F21. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA716.
UA1054 (SFO-BOS)
This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on November 26, 2023, was operated by another airline. It departed from gate E7. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1054.
UA230 (BOS-SFO)
This United Airlines flight between Gen E L Logan International Airport and San Francisco International Airport, on November 26, 2023, was operated by another airline. It arrived at gate E7. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA230.
UA1665 (SFO-BOS)
This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on November 25, 2023, was operated by another airline. It departed from gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1665.
UA2400 (BOS-SFO)
This United Airlines flight between Gen E L Logan International Airport and San Francisco International Airport, on November 25, 2023, was operated by another airline. It arrived at gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA2400.
UA1850 (SFO-EWR)
This United Airlines flight between San Francisco International Airport and Newark International Airport, on November 21, 2023, was operated by another airline. It departed from gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1850.
UA648 (EWR-SFO)
This United Airlines flight between Newark International Airport and San Francisco International Airport, on November 21, 2023, was operated by another airline. It arrived at gate F20. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA648.
UA1149 (SFO-EWR)
This United Airlines flight between San Francisco International Airport and Newark International Airport, on November 15, 2023, was operated by another airline. It departed from gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1149.
UA1187 (BOS-SFO)
This United Airlines flight between Gen E L Logan International Airport and San Francisco International Airport, on November 13, 2023, was operated by another airline. It arrived at gate F16. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1187.
UA1636 (SFO-BOS)
This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on November 11, 2023, was operated by another airline. It departed from gate F12. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1636.