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.

UA2235 (SAN-SFO)
This United Airlines flight traveled from San Diego International Airport to San Francisco International Airport, on February 21, 2020. It arrived at gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2235.
UA2423 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on February 20, 2020. It departed from gate E6. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2423.
UA560 (IAD-SFO)
This United Airlines flight traveled from Dulles International Airport to San Francisco International Airport, on February 20, 2020. It arrived at gate E6. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA560.
UA1107 (SFO-PHX)
This United Airlines flight traveled from San Francisco International Airport to Sky Harbor International Airport, on February 13, 2020. It departed from gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1107.
UA1679 (SFO-CUN)
This United Airlines flight traveled from San Francisco International Airport to Cancun Airport, on February 12, 2020. It departed from gate E9. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1679.
UA728 (LAS-SFO)
This United Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on February 12, 2020. It arrived at gate E9. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA728.
UA1723 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on February 11, 2020. It arrived at gate E4. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1723.
UA1723 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on January 26, 2020. It arrived at gate E5. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1723.
UA1422 (SFO-IAH)
This United Airlines flight traveled from San Francisco International Airport to George Bush Intercontinental Airport, on January 08, 2020. It departed from gate E10. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1422.
UA1723 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on January 08, 2020. It arrived at gate E10. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1723.
UA1844 (IAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on January 06, 2020. It arrived at gate F13. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1844.
UA505 (SFO-IAH)
This United Airlines flight traveled from San Francisco International Airport to George Bush Intercontinental Airport, on January 06, 2020. It departed from gate F19. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA505.