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.

UA390 (SAN-SFO)
This United Airlines flight traveled from San Diego International Airport to San Francisco International Airport, on December 17, 2020. It arrived at gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA390.
UA1852 (SFO-MCO)
This United Airlines flight traveled from San Francisco International Airport to Orlando International Airport, on December 17, 2020. It departed from gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1852.
UA2031 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on November 18, 2020. It departed from gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA2031.
UA1561 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on November 18, 2020. It arrived at gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1561.
UA694 (SFO-KOA)
This United Airlines flight traveled from San Francisco International Airport to Kailua-Kona International Airport, on November 05, 2020. It departed from gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA694.
UA1561 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on November 04, 2020. It arrived at gate E11. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1561.
UA1707 (SFO-IAD)
This United Airlines flight traveled from San Francisco International Airport to Dulles International Airport, on October 08, 2020. It departed from gate E12. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1707.
UA1074 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on October 08, 2020. It arrived at gate E12. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1074.
UA504 (IAD-SFO)
This United Airlines flight traveled from Dulles International Airport to San Francisco International Airport, on October 08, 2020. It arrived at gate F14. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA504.
UA1698 (SFO-LAX)
This United Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on October 04, 2020. It departed from gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA1698.
UA503 (LAX-SFO)
This United Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on September 29, 2020. It arrived at gate F3. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA503.
UA368 (SFO-LAX)
This United Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on September 24, 2020. It departed from gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N39423. See all the flights for UA368.