Flights for UA531 These are not all the flights that UA531 has taken, just some of them that have flown in or out of SFO

UAL531 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on June 01, 2012. Passengers were flying aboard an Airbus A320-200. See all the flights for UA531.
UAL531 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on May 31, 2012. Passengers were flying aboard an Airbus A320-200. See all the flights for UA531.
UAL531 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on June 04, 2012. Passengers were flying aboard an Airbus A320-200. See all the flights for UA531.
UAL531 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on May 28, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA531.
UAL531 (YVR-SFO)
This United Airlines flight traveled from Vancouver International Airport to San Francisco International Airport, on November 25, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA531.
UAL531 (YVR-SFO)
This United Airlines flight traveled from Vancouver International Airport to San Francisco International Airport, on November 21, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA531.
UAL531 (YVR-SFO)
This United Airlines flight traveled from Vancouver International Airport to San Francisco International Airport, on November 24, 2012. Passengers were flying aboard an Airbus A319. See all the flights for UA531.

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".