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.

UA1387 (BWI-SFO)
This United Airlines flight between Baltimore-Washington International Thurgood Marshall Airport and San Francisco International Airport, on July 03, 2023, was operated by another airline. It arrived at gate D10. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1387.
UA2099 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on July 01, 2023, 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 UA2099.
UA1689 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on June 27, 2023, 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 UA1689.
UA2099 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on June 23, 2023, 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 UA2099.
UA729 (PDX-SFO)
This United Airlines flight between Portland International Airport and San Francisco International Airport, on June 14, 2023, 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 UA729.
UA2378 (MSY-SFO)
This United Airlines flight between New Orleans International Airport and San Francisco International Airport, on June 14, 2023, 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 UA2378.
UA1807 (AUS-SFO)
This United Airlines flight between Austin-Bergstrom International Airport and San Francisco International Airport, on June 13, 2023, 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 UA1807.
UA1116 (SFO-AUS)
This United Airlines flight between San Francisco International Airport and Austin-Bergstrom International Airport, on May 10, 2023, 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 UA1116.
UA1561 (DEN-SFO)
This United Airlines flight between Denver International Airport and San Francisco International Airport, on May 10, 2023, 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 UA1561.
UA2433 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on April 21, 2023, 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 UA2433.
UA642 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on April 21, 2023, was operated by another airline. It departed from gate E3. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA642.
UA2416 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on April 05, 2023, 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 UA2416.