Flights for UA821 These are not all the flights that UA821 has taken, just some of them that have flown in or out of SFO

UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 21, 2023, was operated by another airline. It departed from gate F1. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 20, 2023, was operated by another airline. It departed from gate E6. Passengers were flying aboard an Airbus A319 with tail number N804UA. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 19, 2023, was operated by another airline. It departed from gate F1. Passengers were flying aboard an Airbus A319 with tail number N825UA. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 18, 2023, was operated by another airline. It departed from gate E5. Passengers were flying aboard an Airbus A319 with tail number N819UA. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 17, 2023, was operated by another airline. It departed from gate F4. Passengers were flying aboard an Airbus A319 with tail number N843UA. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 16, 2023, was operated by another airline. It departed from gate F4. Passengers were flying aboard an Airbus A319 with tail number N852UA. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 15, 2023, was operated by another airline. It departed from gate F4. Passengers were flying aboard an Airbus A320-200 with tail number N446UA. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 14, 2023, was operated by another airline. It departed from gate E5. Passengers were flying aboard an Airbus A319 with tail number N854UA. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 13, 2023, was operated by another airline. It departed from gate E11. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 12, 2023, was operated by another airline. It departed from gate F12. Passengers were flying aboard an Airbus A319 with tail number N872UA. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 11, 2023, was operated by another airline. It departed from gate F1. Passengers were flying aboard an Airbus A319 with tail number N855UA. See all the flights for UA821.
UA821 (SFO-MEX)
This United Airlines flight between San Francisco International Airport and Benito Juarez International Airport, on March 10, 2023, was operated by another airline. It departed from gate E5. Passengers were flying aboard an Airbus A319 with tail number N805UA. See all the flights for UA821.