Flights for UA1556 These are not all the flights that UA1556 has taken, just some of them that have flown in or out of SFO

UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on July 28, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on July 30, 2013. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on August 18, 2013. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on August 02, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on June 11, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on July 23, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on May 31, 2013. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on June 25, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on August 20, 2013. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on June 10, 2015. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on June 12, 2015. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1556.
UAL1556 (EWR-SFO)
This United Airlines flight traveled from Newark International Airport to San Francisco International Airport, on June 08, 2015. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1556.

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".