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.

UA793 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on December 28, 2022, was operated by another airline. It departed from gate G3. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA793.
UA1041 (PDX-SFO)
This United Airlines flight between Portland International Airport and San Francisco International Airport, on December 28, 2022, was operated by another airline. It arrived at gate G3. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1041.
UA1606 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on December 13, 2022, was operated by another airline. It departed from gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1606.
UA1018 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on December 12, 2022, was operated by another airline. It arrived at gate E2. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1018.
UA1561 (DEN-SFO)
This United Airlines flight between Denver International Airport and San Francisco International Airport, on November 29, 2022, was operated by another airline. It arrived at gate E12. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1561.
UA2351 (SFO-PDX)
This United Airlines flight between San Francisco International Airport and Portland International Airport, on November 25, 2022, was operated by another airline. It departed from gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2351.
UA215 (IAD-SFO)
This United Airlines flight between Dulles International Airport and San Francisco International Airport, on November 25, 2022, was operated by another airline. It arrived at gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA215.
UA1758 (SFO-DEN)
This United Airlines flight between San Francisco International Airport and Denver International Airport, on November 13, 2022, was operated by another airline. It departed from gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1758.
UA2519 (SLC-SFO)
This United Airlines flight traveled from Salt Lake City International Airport to San Francisco International Airport, on November 13, 2022. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2519.
UA2554 (SFO-SJC)
This United Airlines flight traveled from San Francisco International Airport to Norman Y Mineta San Jose International Airport, on November 11, 2022. It departed from gate E10. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2554.
UA2084 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on November 10, 2022, 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 UA2084.
UA2166 (SFO-LAX)
This United Airlines flight between San Francisco International Airport and Los Angeles International Airport, on October 30, 2022, was operated by another airline. It departed from gate E11. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2166.