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.

UA1435 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on August 20, 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 UA1435.
UA574 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on August 20, 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 UA574.
UA784 (SFO-YVR)
This United Airlines flight between San Francisco International Airport and Vancouver International Airport, on August 17, 2022, was operated by another airline. It departed from gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA784.
UA1689 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on August 16, 2022, was operated by another airline. It arrived at gate E4. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1689.
UA1745 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on August 16, 2022, was operated by another airline. It departed from gate F12. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1745.
UA1850 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on August 16, 2022, was operated by another airline. It arrived at gate F12. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1850.
UA1435 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on August 15, 2022, was operated by another airline. It departed from gate F14. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1435.
UA574 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on August 15, 2022, was operated by another airline. It arrived at gate F14. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA574.
UA487 (SFO-IAD)
This United Airlines flight between San Francisco International Airport and Dulles International Airport, on August 11, 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 UA487.
UA277 (IAD-SFO)
This United Airlines flight between Dulles International Airport and San Francisco International Airport, on August 11, 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 UA277.
UA1565 (SFO-PHX)
This United Airlines flight between San Francisco International Airport and Sky Harbor International Airport, on August 09, 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 UA1565.
UA233 (DEN-SFO)
This United Airlines flight between Denver International Airport and San Francisco International Airport, on August 09, 2022, was operated by another airline. It arrived at gate E9. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA233.