Flights for UA631 These are not all the flights that UA631 has taken, just some of them that have flown in or out of SFO

UAL631 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on December 02, 2017. Passengers were flying aboard a Boeing 737-800. See all the flights for UA631.
UAL631 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on November 25, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA631.
UAL631 (SFO-YYZ)
This United Airlines flight traveled from San Francisco International Airport to Toronto Lester B Pearson International Airport, on July 08, 2012. Passengers were flying aboard an Airbus A320-200. See all the flights for UA631.
UAL631 (SFO-YYZ)
This United Airlines flight traveled from San Francisco International Airport to Toronto Lester B Pearson International Airport, on July 06, 2012. Passengers were flying aboard an Airbus A320-200. See all the flights for UA631.
UAL631 (SFO-YYZ)
This United Airlines flight traveled from San Francisco International Airport to Toronto Lester B Pearson International Airport, on July 01, 2012. Passengers were flying aboard an Airbus A320-200. See all the flights for UA631.

All these flight data are available as openly licensed data on the sfomuseum-data GitHub account. If you'd like to read more about our efforts to archive flight data at SFO Museum have a look a the Mills Field weblog posts tagged "flightdata".