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.

UA1746 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on September 20, 2023, was operated by another airline. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1746.
UA2312 (SFO-DEN)
This United Airlines flight between San Francisco International Airport and Denver International Airport, on September 16, 2023, 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 UA2312.
UA1829 (EWR-SFO)
This United Airlines flight between Newark International Airport and San Francisco International Airport, on September 15, 2023, was operated by another airline. It arrived at gate F21. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1829.
UA2312 (SFO-DEN)
This United Airlines flight between San Francisco International Airport and Denver International Airport, on September 12, 2023, was operated by another airline. It departed from gate F17. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA2312.
UA1829 (EWR-SFO)
This United Airlines flight between Newark International Airport and San Francisco International Airport, on September 11, 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 UA1829.
UA1770 (SFO-EWR)
This United Airlines flight between San Francisco International Airport and Newark International Airport, on September 04, 2023, was operated by another airline. It departed from gate F19. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1770.
UA1008 (BOS-SFO)
This United Airlines flight between Gen E L Logan International Airport and San Francisco International Airport, on September 04, 2023, was operated by another airline. It arrived at gate F19. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1008.
UA2262 (SFO-BOS)
This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on September 03, 2023, was operated by another airline. It departed from gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA2262.
UA1216 (BOS-SFO)
This United Airlines flight between Gen E L Logan International Airport and San Francisco International Airport, on September 03, 2023, was operated by another airline. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1216.
UA1665 (SFO-BOS)
This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on September 02, 2023, was operated by another airline. It departed from gate F14. 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 September 02, 2023, was operated by another airline. It arrived at gate F14. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA2400.
UA1150 (SFO-BOS)
This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on September 02, 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 UA1150.