Flights for UA521 These are not all the flights that UA521 has taken, just some of them that have flown in or out of SFO

UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on May 04, 2023, was operated by another airline. It departed from gate F20. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on May 03, 2023, was operated by another airline. It departed from gate F17. Passengers were flying aboard an Airbus A319. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on May 02, 2023, was operated by another airline. It departed from gate F16. Passengers were flying aboard an Airbus A319 with tail number N810UA. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on May 01, 2023, was operated by another airline. It departed from gate F4. Passengers were flying aboard an Airbus A319 with tail number N839UA. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on April 28, 2023, was operated by another airline. It departed from gate F14. Passengers were flying aboard an Airbus A319 with tail number N842UA. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on April 27, 2023, was operated by another airline. It departed from gate F20. Passengers were flying aboard an Airbus A320-200 with tail number N492UA. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on April 26, 2023, was operated by another airline. It departed from gate F3A. Passengers were flying aboard an Airbus A319 with tail number N823UA. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on April 25, 2023, was operated by another airline. It departed from gate F4. Passengers were flying aboard an Airbus A319 with tail number N803UA. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on April 24, 2023, was operated by another airline. It departed from gate F20. Passengers were flying aboard an Airbus A319 with tail number N841UA. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on April 21, 2023, was operated by another airline. It departed from gate F20. Passengers were flying aboard a Boeing 737-900 with tail number N66848. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on April 20, 2023, was operated by another airline. It departed from gate F16. Passengers were flying aboard an Airbus A320-200 with tail number N417UA. See all the flights for UA521.
UA521 (SFO-BOI)
This United Airlines flight between San Francisco International Airport and Boise Air Terminal, on April 19, 2023, was operated by another airline. It departed from gate F20. Passengers were flying aboard an Airbus A319 with tail number N831UA. See all the flights for UA521.