Flights for UA404 These are not all the flights that UA404 has taken, just some of them that have flown in or out of SFO

UA404 (SFO-DEN)
This United Airlines flight between San Francisco International Airport and Denver International Airport, on September 30, 2022, was operated by another airline. It departed from gate F11. Passengers were flying aboard a Boeing 777-200 with tail number N211UA. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 31, 2020. It departed from gate F2. Passengers were flying aboard a Boeing 737-900. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 30, 2020. It departed from gate F19. Passengers were flying aboard a Boeing 737-900. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 29, 2020. It departed from gate F16. Passengers were flying aboard a Boeing 737-900 with tail number N68823. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 28, 2020. It departed from gate E11. Passengers were flying aboard a Boeing 737-900. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 27, 2020. It departed from gate E9. Passengers were flying aboard a Boeing 737-900 with tail number N34455. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 26, 2020. It departed from gate F3. Passengers were flying aboard a Boeing 737-800 with tail number N77537. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 25, 2020. It departed from gate F2. Passengers were flying aboard a Boeing 737-900 with tail number N66837. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 24, 2020. It departed from gate F20. Passengers were flying aboard a Boeing 737-900. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 23, 2020. It departed from gate E9. Passengers were flying aboard a Boeing 737-900. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 22, 2020. It departed from gate F21. Passengers were flying aboard a Boeing 737-900. See all the flights for UA404.
UA404 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 21, 2020. It departed from gate F11. Passengers were flying aboard a Boeing 737-900. See all the flights for UA404.