Flights for the airplane with tail number N57439 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.

UA2621 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on December 23, 2022, was operated by another airline. It arrived at gate F17. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA2621.
UA1745 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on December 23, 2022, was operated by another airline. It departed from gate F12. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA1745.
UA2166 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on December 23, 2022, was operated by another airline. It arrived at gate F12. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA2166.
UA2377 (SFO-DEN)
This United Airlines flight between San Francisco International Airport and Denver International Airport, on December 18, 2022, was operated by another airline. It departed from gate E5. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA2377.
UA626 (DFW-SFO)
This United Airlines flight between Dallas-Fort Worth International Airport and San Francisco International Airport, on December 17, 2022, was operated by another airline. It arrived at gate E5. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA626.
UA1825 (SFO-DFW)
This United Airlines flight between San Francisco International Airport and Dallas-Fort Worth International Airport, on December 17, 2022, was operated by another airline. It departed from gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA1825.
UA1434 (IAH-SFO)
This United Airlines flight between George Bush Intercontinental Airport and San Francisco International Airport, on December 17, 2022, was operated by another airline. It arrived at gate F21. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA1434.
UA583 (SFO-IAH)
This United Airlines flight between San Francisco International Airport and George Bush Intercontinental Airport, on December 17, 2022, was operated by another airline. It departed from gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA583.
UA1948 (CUN-SFO)
This United Airlines flight traveled from Cancun Airport to San Francisco International Airport, on December 16, 2022. It arrived at gate A1. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA1948.
UA2481 (SFO-LAX)
This United Airlines flight between San Francisco International Airport and Los Angeles International Airport, on December 15, 2022, was operated by another airline. It departed from gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA2481.
UA1399 (LAX-SFO)
This United Airlines flight between Los Angeles International Airport and San Francisco International Airport, on December 15, 2022, was operated by another airline. It arrived at gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA1399.
UA2169 (SFO-PHX)
This United Airlines flight between San Francisco International Airport and Sky Harbor International Airport, on December 07, 2022, was operated by another airline. It departed from gate F14. Passengers were flying aboard a Boeing 737-900 with tail number N57439. See all the flights for UA2169.