Flights for UA1551 These are not all the flights that UA1551 has taken, just some of them that have flown in or out of SFO

UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on April 09, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on March 13, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on March 18, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on May 02, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on May 04, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on April 11, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on February 24, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on February 25, 2013. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on January 10, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on January 24, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on January 30, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1551.
UAL1551 (SFO-SEA)
This United Airlines flight traveled from San Francisco International Airport to Tacoma International Airport, on February 19, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1551.

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".