Flights for UA556 These are not all the flights that UA556 has taken, just some of them that have flown in or out of SFO

UAL556 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on November 03, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA556.
UAL556 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on October 27, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA556.
UAL556 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on October 18, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA556.
UAL556 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on August 27, 2013. Passengers were flying aboard an Airbus A319. See all the flights for UA556.
UAL556 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on September 06, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA556.
UAL556 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on September 13, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA556.
UAL556 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on September 29, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA556.
UAL556 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on September 09, 2011. Passengers were flying aboard an Airbus A320-200. See all the flights for UA556.
UAL556 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on October 06, 2011. Passengers were flying aboard an Airbus A319. See all the flights for UA556.

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".