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.

UA2183 (SFO-BNA)
This United Airlines flight between San Francisco International Airport and Nashville International Airport, on August 31, 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 UA2183.
UA1387 (BWI-SFO)
This United Airlines flight between Baltimore-Washington International Thurgood Marshall Airport and San Francisco International Airport, on August 31, 2023, was operated by another airline. It arrived at gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1387.
UA2345 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on August 20, 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 UA2345.
UA1689 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on August 08, 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 UA1689.
UA1769 (RDU-SFO)
This United Airlines flight between Durham International Airport and San Francisco International Airport, on August 07, 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 UA1769.
UA2051 (ORD-SFO)
This United Airlines flight between Chicago O'Hare International Airport and San Francisco International Airport, on August 07, 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 UA2051.
UA214 (HNL-SFO)
This United Airlines flight between Honolulu International Airport and San Francisco International Airport, on August 06, 2023, was operated by another airline. It arrived at gate F20. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA214.
UA1066 (YYC-SFO)
This United Airlines flight between Calgary International Airport and San Francisco International Airport, on August 05, 2023, was operated by another airline. It arrived at gate F11. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1066.
UA2114 (FLL-SFO)
This United Airlines flight between Fort Lauderdale Hollywood International Airport and San Francisco International Airport, on August 05, 2023, was operated by another airline. It arrived at gate E13. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2114.
UA574 (LAS-SFO)
This United Airlines flight between McCarran International Airport and San Francisco International Airport, on July 30, 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 UA574.
UA564 (LAX-SFO)
This United Airlines flight between Los Angeles International Airport and San Francisco International Airport, on July 27, 2023, was operated by another airline. It arrived at gate E5. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA564.
UA2367 (PIT-SFO)
This United Airlines flight between Greater Pittsburgh International Airport and San Francisco International Airport, on July 27, 2023, was operated by another airline. It arrived at gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2367.