Flights for UA781 These are not all the flights that UA781 has taken, just some of them that have flown in or out of SFO

UAL781 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on August 23, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA781.
UAL781 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on August 25, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA781.
UAL781 (SFO-ORD)
This United Airlines flight traveled from San Francisco International Airport to Chicago O'Hare International Airport, on August 12, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA781.
UAL781 (SFO-PDX)
This United Airlines flight traveled from San Francisco International Airport to Portland International Airport, on August 27, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA781.
UAL781 (SFO-PDX)
This United Airlines flight traveled from San Francisco International Airport to Portland International Airport, on August 20, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA781.
UAL781 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on April 05, 2013. Passengers were flying aboard an Airbus A320-200. See all the flights for UA781.
UAL781 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on April 26, 2013. Passengers were flying aboard an Airbus A320-200. See all the flights for UA781.
UAL781 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on April 12, 2013. Passengers were flying aboard an Airbus A320-200. See all the flights for UA781.
UAL781 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on April 19, 2013. Passengers were flying aboard an Airbus A320-200. See all the flights for UA781.
UAL781 (SFO-SNA)
This United Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on April 08, 2013. Passengers were flying aboard an Airbus A320-200. See all the flights for UA781.

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".