Flights for UA1243 These are not all the flights that UA1243 has taken, just some of them that have flown in or out of SFO

UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on June 10, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1243.
UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on June 17, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1243.
UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on June 19, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1243.
UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on November 28, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1243.
UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on January 11, 2015. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1243.
UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on November 29, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1243.
UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on June 24, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1243.
UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on January 10, 2015. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1243.
UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on January 17, 2015. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1243.
UAL1243 (SFO-LAS)
This United Airlines flight traveled from San Francisco International Airport to McCarran International Airport, on March 29, 2015. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1243.
UAL1243 (SFO-LAX)
This United Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on December 24, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1243.
UAL1243 (SFO-LAX)
This United Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on April 17, 2014. Passengers were flying aboard a Boeing 737-700. See all the flights for UA1243.

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".