Flights for the airplane with tail number N39423 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.

UA1383 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on October 30, 2022, was operated by another airline. It arrived at gate E11. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1383.
UA1640 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on September 13, 2022, was operated by another airline. It departed from gate E5. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1640.
UA799 (LAX-SFO)
This United Airlines flight between Los Angeles International Airport and San Francisco International Airport, on September 13, 2022, was operated by another airline. It arrived at gate E5. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA799.
UA1497 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on September 06, 2022, was operated by another airline. It departed from gate E9. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1497.
UA2051 (SFO-YVR)
This United Airlines flight between San Francisco International Airport and Vancouver International Airport, on September 06, 2022, was operated by another airline. It departed from gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2051.
UA2367 (PIT-SFO)
This United Airlines flight between Greater Pittsburgh International Airport and San Francisco International Airport, on September 06, 2022, was operated by another airline. It arrived at gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2367.
UA784 (SFO-YVR)
This United Airlines flight between San Francisco International Airport and Vancouver International Airport, on August 22, 2022, was operated by another airline. It departed from gate F19. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA784.
UA1780 (PDX-SFO)
This United Airlines flight between Portland International Airport and San Francisco International Airport, on August 22, 2022, was operated by another airline. It arrived at gate F19. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1780.
UA2128 (SFO-PDX)
This United Airlines flight between San Francisco International Airport and Portland International Airport, on August 21, 2022, was operated by another airline. It departed from gate E8. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2128.
UA2435 (IAD-SFO)
This United Airlines flight between Dulles International Airport and San Francisco International Airport, on August 21, 2022, was operated by another airline. It arrived at gate E8. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2435.
UA1986 (SFO-IAD)
This United Airlines flight between San Francisco International Airport and Dulles International Airport, on August 21, 2022, was operated by another airline. It departed from gate F3. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1986.
UA568 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on August 21, 2022, was operated by another airline. It arrived at gate F3. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA568.