Flights for the airplane with tail number N77431 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.

UA1812 (SFO-SAN)
This United Airlines flight between San Francisco International Airport and San Diego International Airport, on November 11, 2023, was operated by another airline. It departed from gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA1812.
UA2551 (EUG-SFO)
This United Airlines flight traveled from Eugene Airport-Mahlon Sweet Field to San Francisco International Airport, on November 10, 2023. It arrived at gate E6. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA2551.
UA1761 (SAN-SFO)
This United Airlines flight between San Diego International Airport and San Francisco International Airport, on November 09, 2023, was operated by another airline. It arrived at gate E4. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA1761.
UA1503 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on October 16, 2023, was operated by another airline. It arrived at gate E2. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA1503.
UA1168 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on October 13, 2023, was operated by another airline. It departed from gate E2. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA1168.
UA1823 (SFO-DEN)
This United Airlines flight between San Francisco International Airport and Denver International Airport, on October 05, 2023, was operated by another airline. It departed from gate F17. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA1823.
UA343 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on October 05, 2023, was operated by another airline. It arrived at gate F17. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA343.
UA2631 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on September 24, 2023, was operated by another airline. It departed from gate E2. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA2631.
UA2561 (TUS-SFO)
This United Airlines flight traveled from Tucson International Airport to San Francisco International Airport, on September 24, 2023. It arrived at gate E2. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA2561.
UA2531 (SFO-TUS)
This United Airlines flight traveled from San Francisco International Airport to Tucson International Airport, on September 23, 2023. It departed from gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA2531.
UA737 (SEA-SFO)
This United Airlines flight between Tacoma International Airport and San Francisco International Airport, on September 23, 2023, was operated by another airline. It arrived at gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA737.
UA2315 (SFO-SEA)
This United Airlines flight between San Francisco International Airport and Tacoma International Airport, on September 23, 2023, was operated by another airline. It departed from gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N77431. See all the flights for UA2315.