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.

UA505 (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 F15. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA505.
UA599 (DEN-SFO)
This United Airlines flight between Denver International Airport and San Francisco International Airport, on April 17, 2023, was operated by another airline. It arrived at gate F15. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA599.
UA437 (EWR-SFO)
This United Airlines flight between Newark International Airport and San Francisco International Airport, on April 17, 2023, was operated by another airline. It arrived at gate F11. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA437.
UA1008 (BOS-SFO)
This United Airlines flight between Gen E L Logan International Airport and San Francisco International Airport, on April 15, 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 UA1008.
UA2652 (SFO-BOS)
This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on April 14, 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 UA2652.
UA1008 (BOS-SFO)
This United Airlines flight between Gen E L Logan International Airport and San Francisco International Airport, on April 14, 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 UA1008.
UA2652 (SFO-BOS)
This United Airlines flight between San Francisco International Airport and Gen E L Logan International Airport, on April 13, 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 UA2652.
UA1513 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on April 13, 2023, was operated by another airline. It arrived at gate F17. Passengers were flying aboard a Boeing 757-200 with tail number N21108. See all the flights for UA1513.
UA505 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on April 12, 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 UA505.
UA599 (DEN-SFO)
This United Airlines flight between Denver International Airport and San Francisco International Airport, on April 12, 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 UA599.
UA725 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on April 11, 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 UA725.
UA2097 (SFO-EWR)
This United Airlines flight between San Francisco International Airport and Newark International Airport, on April 09, 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 UA2097.