Flights for UA523 These are not all the flights that UA523 has taken, just some of them that have flown in or out of SFO

UAL523 (SFO-JFK)
This United Airlines flight traveled from San Francisco International Airport to John F Kennedy International Airport, on December 01, 2012. Passengers were flying aboard a Boeing 757-200. See all the flights for UA523.
UAL523 (SFO-JFK)
This United Airlines flight traveled from San Francisco International Airport to John F Kennedy International Airport, on December 15, 2012. Passengers were flying aboard a Boeing 757-200. See all the flights for UA523.
UAL523 (SFO-JFK)
This United Airlines flight traveled from San Francisco International Airport to John F Kennedy International Airport, on December 17, 2012. Passengers were flying aboard a Boeing 757-200. See all the flights for UA523.
UAL523 (SFO-JFK)
This United Airlines flight traveled from San Francisco International Airport to John F Kennedy International Airport, on December 06, 2012. Passengers were flying aboard a Boeing 757-200. See all the flights for UA523.
UAL523 (SFO-JFK)
This United Airlines flight traveled from San Francisco International Airport to John F Kennedy International Airport, on December 03, 2012. Passengers were flying aboard a Boeing 757-200. See all the flights for UA523.
UAL523 (SFO-JFK)
This United Airlines flight traveled from San Francisco International Airport to John F Kennedy International Airport, on December 01, 2012. Passengers were flying aboard a Boeing 757-200. See all the flights for UA523.
UAL523 (SFO-JFK)
This United Airlines flight traveled from San Francisco International Airport to John F Kennedy International Airport, on November 29, 2012. Passengers were flying aboard a Boeing 757-200. See all the flights for UA523.
UAL523 (SFO-JFK)
This United Airlines flight traveled from San Francisco International Airport to John F Kennedy International Airport, on December 11, 2012. Passengers were flying aboard a Boeing 757-200. See all the flights for UA523.
UAL523 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on April 17, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA523.
UAL523 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on April 03, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA523.
UAL523 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on November 11, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA523.
UAL523 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on November 14, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA523.

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".