Flights for the airplane with tail number N12221 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.

UA297 (SFO-SAN)
This United Airlines flight between San Francisco International Airport and San Diego International Airport, on September 07, 2023, was operated by another airline. It departed from gate E6. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA297.
UA2416 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on September 07, 2023, was operated by another airline. It arrived at gate E6. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA2416.
UA1299 (SFO-LAS)
This United Airlines flight between San Francisco International Airport and McCarran International Airport, on September 07, 2023, was operated by another airline. It departed from gate E5. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA1299.
UA1152 (PHX-SFO)
This United Airlines flight between Sky Harbor International Airport and San Francisco International Airport, on September 07, 2023, was operated by another airline. It arrived at gate E5. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA1152.
UA731 (SFO-PHX)
This United Airlines flight between San Francisco International Airport and Sky Harbor International Airport, on September 07, 2023, was operated by another airline. It departed from gate F20. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA731.
UA565 (YYZ-SFO)
This United Airlines flight between Toronto Lester B Pearson International Airport and San Francisco International Airport, on September 07, 2023, was operated by another airline. It arrived at gate F20. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA565.
UA611 (SFO-SBA)
This United Airlines flight between San Francisco International Airport and Santa Barbara Municipal Airport, on August 26, 2023, was operated by another airline. It departed from gate D11. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA611.
UA242 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on August 26, 2023, was operated by another airline. It arrived at gate D11. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA242.
UA1320 (SNA-SFO)
This United Airlines flight between John Wayne Airport and San Francisco International Airport, on August 15, 2023, was operated by another airline. It arrived at gate F16. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA1320.
UA1007 (PDX-SFO)
This United Airlines flight between Portland International Airport and San Francisco International Airport, on August 15, 2023, was operated by another airline. It arrived at gate F16. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA1007.
UA548 (BWI-SFO)
This United Airlines flight between Baltimore-Washington International Thurgood Marshall Airport and San Francisco International Airport, on July 22, 2023, was operated by another airline. It arrived at gate D10. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA548.
UA1483 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on July 22, 2023, was operated by another airline. It arrived at gate E5. Passengers were flying aboard a Boeing 737-800 with tail number N12221. See all the flights for UA1483.