Flights for UA1720 These are not all the flights that UA1720 has taken, just some of them that have flown in or out of SFO

UAL1720 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 28, 2013. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1720.
UAL1720 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on January 04, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1720.
UAL1720 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on October 28, 2012. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1720.
UAL1720 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on October 07, 2012. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1720.
UAL1720 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on October 21, 2012. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1720.
UAL1720 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on October 14, 2012. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1720.

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".