Flights for the airplane with tail number N27421 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.

UA298 (SFO-SEA)
This United Airlines flight between San Francisco International Airport and Tacoma International Airport, on February 10, 2023, was operated by another airline. It departed from gate F17. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA298.
UA1690 (PSP-SFO)
This United Airlines flight between Palm Springs International Airport and San Francisco International Airport, on February 10, 2023, was operated by another airline. It arrived at gate F17. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1690.
UA1780 (SEA-SFO)
This United Airlines flight between Tacoma International Airport and San Francisco International Airport, on February 10, 2023, was operated by another airline. It arrived at gate F3. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1780.
UA2384 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on February 03, 2023, was operated by another airline. It arrived at gate D11. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2384.
UA583 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on February 03, 2023, was operated by another airline. It departed from gate E3. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA583.
UA1923 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on January 31, 2023, was operated by another airline. It departed from gate E5. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1923.
UA2247 (SAN-SFO)
This United Airlines flight between San Diego International Airport and San Francisco International Airport, on January 30, 2023, was operated by another airline. It arrived at gate E9. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2247.
UA1826 (SFO-DEN)
This United Airlines flight between San Francisco International Airport and Denver International Airport, on January 27, 2023, was operated by another airline. It departed from gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1826.
UA1723 (SFO-KOA)
This United Airlines flight between San Francisco International Airport and Kailua-Kona International Airport, on January 26, 2023, was operated by another airline. It departed from gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1723.
UA1388 (SFO-LAS)
This United Airlines flight between San Francisco International Airport and McCarran International Airport, on January 14, 2023, was operated by another airline. It departed from gate E4. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1388.
UA2678 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on January 14, 2023, was operated by another airline. It arrived at gate E4. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2678.
UA2648 (SFO-LAS)
This United Airlines flight between San Francisco International Airport and McCarran International Airport, on January 11, 2023, was operated by another airline. It departed from gate E6. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2648.