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.

UA1494 (MCO-SFO)
This United Airlines flight traveled from Orlando International Airport to San Francisco International Airport, on October 15, 2021. It arrived at gate E2. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA1494.
UA2332 (SFO-MCO)
This United Airlines flight traveled from San Francisco International Airport to Orlando International Airport, on October 15, 2021. It departed from gate F3. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2332.
UA2235 (SAN-SFO)
This United Airlines flight traveled from San Diego International Airport to San Francisco International Airport, on October 15, 2021. It arrived at gate F3. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2235.
UA2201 (SFO-IAH)
This United Airlines flight traveled from San Francisco International Airport to George Bush Intercontinental Airport, on October 14, 2021. It departed from gate F2. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2201.
UA2641 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on October 14, 2021. It departed from gate E5. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2641.
UA683 (DEN-SFO)
This United Airlines flight traveled from Denver International Airport to San Francisco International Airport, on October 14, 2021. It arrived at gate E5. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA683.
UA1999 (SFO-DEN)
This United Airlines flight traveled from San Francisco International Airport to Denver International Airport, on October 14, 2021. It departed from gate E12. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA1999.
UA1102 (IAH-SFO)
This United Airlines flight traveled from George Bush Intercontinental Airport to San Francisco International Airport, on October 14, 2021. It arrived at gate E12. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA1102.
UA650 (HNL-SFO)
This United Airlines flight traveled from Honolulu International Airport to San Francisco International Airport, on October 13, 2021. It arrived at gate F20. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA650.
UA2380 (SFO-HNL)
This United Airlines flight traveled from San Francisco International Airport to Honolulu International Airport, on October 13, 2021. It departed from gate F16. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2380.
UA2400 (BOS-SFO)
This United Airlines flight traveled from Gen E L Logan International Airport to San Francisco International Airport, on October 12, 2021. It arrived at gate E13. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2400.
UA2055 (PDX-SFO)
This United Airlines flight traveled from Portland International Airport to San Francisco International Airport, on October 12, 2021. It arrived at gate E3. Passengers were flying aboard a Boeing 737-MAX 9 with tail number N37521. See all the flights for UA2055.