Flights for the airplane with tail number N79521 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.

UA1726 (SFO-AUS)
This United Airlines flight between San Francisco International Airport and Austin-Bergstrom International Airport, on September 17, 2023, was operated by another airline. It departed from gate E10. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA1726.
UA2427 (RDU-SFO)
This United Airlines flight between Durham International Airport and San Francisco International Airport, on September 17, 2023, was operated by another airline. It arrived at gate E10. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA2427.
UA643 (SFO-BWI)
This United Airlines flight between San Francisco International Airport and Baltimore-Washington International Thurgood Marshall Airport, on September 15, 2023, was operated by another airline. It departed from gate F17. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA643.
UA2416 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on September 15, 2023, was operated by another airline. It arrived at gate F17. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA2416.
UA1390 (SFO-LAS)
This United Airlines flight between San Francisco International Airport and McCarran International Airport, on September 14, 2023, was operated by another airline. It departed from gate E4. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA1390.
UA1563 (LIH-SFO)
This United Airlines flight between Lihue Airport and San Francisco International Airport, on September 14, 2023, was operated by another airline. It arrived at gate E4. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA1563.
UA1111 (SFO-LIH)
This United Airlines flight between San Francisco International Airport and Lihue Airport, on September 14, 2023, was operated by another airline. It departed from gate E9. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA1111.
UA548 (BWI-SFO)
This United Airlines flight between Baltimore-Washington International Thurgood Marshall Airport and San Francisco International Airport, on September 13, 2023, was operated by another airline. It arrived at gate F2. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA548.
UA2603 (SFO-BWI)
This United Airlines flight between San Francisco International Airport and Baltimore-Washington International Thurgood Marshall Airport, on September 13, 2023, was operated by another airline. It departed from gate F12. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA2603.
UA1563 (LIH-SFO)
This United Airlines flight between Lihue Airport and San Francisco International Airport, on September 12, 2023, was operated by another airline. It arrived at gate E8. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA1563.
UA1111 (SFO-LIH)
This United Airlines flight between San Francisco International Airport and Lihue Airport, on September 12, 2023, was operated by another airline. It departed from gate E4. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA1111.
UA548 (BWI-SFO)
This United Airlines flight between Baltimore-Washington International Thurgood Marshall Airport and San Francisco International Airport, on September 11, 2023, was operated by another airline. It arrived at gate E4. Passengers were flying aboard a Boeing 737-800 with tail number N79521. See all the flights for UA548.