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.

UA513 (SFO-DEN)
This United Airlines flight between San Francisco International Airport and Denver International Airport, on October 08, 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 UA513.
UA1503 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on October 07, 2023, was operated by another airline. It arrived at gate E10. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1503.
UA2710 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on September 27, 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 UA2710.
UA2433 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on September 27, 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 UA2433.
UA1435 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on September 10, 2023, was operated by another airline. It departed from gate E10. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1435.
UA2099 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on September 10, 2023, was operated by another airline. It arrived at gate E10. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2099.
UA1722 (SFO-BWI)
This United Airlines flight between San Francisco International Airport and Baltimore-Washington International Thurgood Marshall Airport, on September 01, 2023, was operated by another airline. It departed from gate E12. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1722.
UA1769 (RDU-SFO)
This United Airlines flight between Durham International Airport and San Francisco International Airport, on September 01, 2023, was operated by another airline. It arrived at gate E12. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1769.
UA1324 (SFO-RDU)
This United Airlines flight between San Francisco International Airport and Durham International Airport, on September 01, 2023, was operated by another airline. It departed from gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1324.
UA2051 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on September 01, 2023, was operated by another airline. It arrived at gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2051.
UA2423 (SFO-ORD)
This United Airlines flight between San Francisco International Airport and Chicago O'Hare International Airport, on August 31, 2023, was operated by another airline. It departed from gate D15. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2423.
UA308 (BNA-SFO)
This United Airlines flight between Nashville International Airport and San Francisco International Airport, on August 31, 2023, was operated by another airline. It arrived at gate D15. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA308.