Flights for the airplane with tail number N66831 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.

UA1159 (CUN-SFO)
This United Airlines flight traveled from Cancun Airport to San Francisco International Airport, on December 16, 2022. It arrived at gate G11. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA1159.
UA1986 (SFO-SEA)
This United Airlines flight between San Francisco International Airport and Tacoma International Airport, on December 13, 2022, was operated by another airline. It departed from gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA1986.
UA1723 (SFO-KOA)
This United Airlines flight between San Francisco International Airport and Kailua-Kona International Airport, on December 12, 2022, was operated by another airline. It departed from gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA1723.
UA2117 (SAN-SFO)
This United Airlines flight between San Diego International Airport and San Francisco International Airport, on December 12, 2022, was operated by another airline. It arrived at gate E7. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA2117.
UA2041 (SFO-SAN)
This United Airlines flight between San Francisco International Airport and San Diego International Airport, on December 12, 2022, was operated by another airline. It departed from gate E2. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA2041.
UA457 (BWI-SFO)
This United Airlines flight between Baltimore-Washington International Thurgood Marshall 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 N66831. See all the flights for UA457.
UA1724 (KOA-SFO)
This United Airlines flight between Kailua-Kona International Airport and San Francisco International Airport, on December 12, 2022, was operated by another airline. It arrived at gate E6. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA1724.
UA436 (SFO-BWI)
This United Airlines flight between San Francisco International Airport and Baltimore-Washington International Thurgood Marshall Airport, on December 11, 2022, was operated by another airline. It departed from gate E3. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA436.
UA2084 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on December 11, 2022, was operated by another airline. It arrived at gate E3. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA2084.
UA2315 (SFO-SEA)
This United Airlines flight between San Francisco International Airport and Tacoma International Airport, on November 18, 2022, was operated by another airline. It departed from gate F3. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA2315.
UA1449 (YVR-SFO)
This United Airlines flight between Vancouver International Airport and San Francisco International Airport, on November 18, 2022, was operated by another airline. It arrived at gate F3. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA1449.
UA460 (SFO-YVR)
This United Airlines flight between San Francisco International Airport and Vancouver International Airport, on November 17, 2022, was operated by another airline. It departed from gate E4. Passengers were flying aboard a Boeing 737-900 with tail number N66831. See all the flights for UA460.