Flights for the airplane with tail number N37521 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.

UA2368 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on November 29, 2021. It departed from gate E11. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2368.
UA752 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on November 29, 2021. It arrived at gate E11. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA752.
UA2652 (SFO-BOS)
This United Airlines flight traveled from San Francisco International Airport to Gen E L Logan International Airport, on November 28, 2021. It departed from gate E11. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2652.
UA1007 (BOS-SFO)
This United Airlines flight traveled from Gen E L Logan International Airport to San Francisco International Airport, on November 28, 2021. It arrived at gate E11. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA1007.
UA1007 (BOS-SFO)
This United Airlines flight traveled from Gen E L Logan International Airport to San Francisco International Airport, on November 27, 2021. It arrived at gate E9. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA1007.
UA2652 (SFO-BOS)
This United Airlines flight traveled from San Francisco International Airport to Gen E L Logan International Airport, on November 27, 2021. It departed from gate E9. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2652.
UA2652 (SFO-BOS)
This United Airlines flight traveled from San Francisco International Airport to Gen E L Logan International Airport, on November 26, 2021. It departed from gate F3. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2652.
UA1007 (BOS-SFO)
This United Airlines flight traveled from Gen E L Logan International Airport to San Francisco International Airport, on November 26, 2021. It arrived at gate F3. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA1007.
UA1007 (BOS-SFO)
This United Airlines flight traveled from Gen E L Logan International Airport to San Francisco International Airport, on November 22, 2021. It arrived at gate E4. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA1007.
UA2368 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on November 22, 2021. It departed from gate E4. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2368.
UA2652 (SFO-BOS)
This United Airlines flight traveled from San Francisco International Airport to Gen E L Logan International Airport, on November 21, 2021. It departed from gate E7. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2652.
UA1007 (BOS-SFO)
This United Airlines flight traveled from Gen E L Logan International Airport to San Francisco International Airport, on November 21, 2021. It arrived at gate E7. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA1007.