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.

UA1896 (SFO-LAS)
This United Airlines flight between San Francisco International Airport and McCarran International Airport, on March 17, 2024, was operated by another airline. It departed from gate F17. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1896.
UA1878 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on March 17, 2024, was operated by another airline. It arrived at gate F17. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1878.
UA1679 (SFO-CUN)
This United Airlines flight traveled from San Francisco International Airport to Cancun Airport, on March 05, 2024. It departed from gate F19. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1679.
UA1484 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on March 04, 2024, was operated by another airline. It arrived at gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1484.
UA2348 (SFO-LAX)
This United Airlines flight between San Francisco International Airport and Los Angeles International Airport, on February 29, 2024, was operated by another airline. It departed from gate F20. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2348.
UA1679 (SFO-CUN)
This United Airlines flight traveled from San Francisco International Airport to Cancun Airport, on February 25, 2024. It departed from gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1679.
UA1522 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on February 24, 2024, 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 UA1522.
UA235 (SFO-SAN)
This United Airlines flight between San Francisco International Airport and San Diego International Airport, on February 03, 2024, 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 UA235.
UA2034 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on February 03, 2024, 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 UA2034.
UA2191 (SAN-SFO)
This United Airlines flight between San Diego International Airport and San Francisco International Airport, on January 24, 2024, 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 UA2191.
UA336 (SFO-SAN)
This United Airlines flight between San Francisco International Airport and San Diego International Airport, on January 24, 2024, was operated by another airline. It departed from gate F20. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA336.
UA539 (TPA-SFO)
This United Airlines flight between Tampa International Airport and San Francisco International Airport, on January 24, 2024, was operated by another airline. It arrived at gate F20. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA539.