Flights for UA1557 These are not all the flights that UA1557 has taken, just some of them that have flown in or out of SFO

UAL1557 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on March 13, 2015. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1557.
UAL1557 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on March 20, 2015. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1557.
UAL1557 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on March 27, 2015. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1557.
UAL1557 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on March 06, 2015. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1557.
UAL1557 (SFO-SAN)
This United Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on December 22, 2012. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1557.
UAL1557 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on December 23, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1557.
UAL1557 (SFO-YVR)
This United Airlines flight traveled from San Francisco International Airport to Vancouver International Airport, on December 26, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1557.
UAL1557 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on June 29, 2013. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1557.

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".