Flights for UA1520 These are not all the flights that UA1520 has taken, just some of them that have flown in or out of SFO

UAL1520 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on September 20, 2018. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1520.
UAL1520 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on September 21, 2018. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1520.
UAL1520 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on September 25, 2013. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1520.
UAL1520 (SFO-STL)
This United Airlines flight traveled from San Francisco International Airport to Lambert-St. Louis International Airport, on September 02, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1520.

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".