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.

UA523 (SFO-IAH)
This United Airlines flight traveled from San Francisco International Airport to George Bush Intercontinental Airport, on August 10, 2019. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA523.
UA1700 (IAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on August 10, 2019. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1700.
UA413 (CLE-SFO)
This United Airlines flight traveled from Hopkins International Airport to San Francisco International Airport, on August 09, 2019. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA413.
UA2262 (SFO-CLE)
This United Airlines flight traveled from San Francisco International Airport to Hopkins International Airport, on August 09, 2019. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA2262.
UA922 (FLL-SFO)
This United Airlines flight traveled from Fort Lauderdale Hollywood International Airport to San Francisco International Airport, on August 09, 2019. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA922.
UA623 (SFO-FLL)
This United Airlines flight traveled from San Francisco International Airport to Fort Lauderdale Hollywood International Airport, on August 08, 2019. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA623.
UA299 (SFO-YYC)
This United Airlines flight traveled from San Francisco International Airport to Calgary International Airport, on August 08, 2019. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA299.
UA470 (MCO-SFO)
This United Airlines flight traveled from Orlando International Airport to San Francisco International Airport, on August 08, 2019. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA470.
UA1262 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on July 12, 2019. It departed from gate F82. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA1262.
UA685 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on July 12, 2019. It departed from gate F87. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA685.
UA922 (FLL-SFO)
This United Airlines flight traveled from Fort Lauderdale Hollywood International Airport to San Francisco International Airport, on July 12, 2019. It arrived at gate F87. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA922.
UA623 (SFO-FLL)
This United Airlines flight traveled from San Francisco International Airport to Fort Lauderdale Hollywood International Airport, on July 11, 2019. It departed from gate E65. Passengers were flying aboard a Boeing 737-900 with tail number N27421. See all the flights for UA623.