Flights for UA1238 These are not all the flights that UA1238 has taken, just some of them that have flown in or out of SFO

UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on April 15, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on April 25, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on May 04, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on May 16, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on June 03, 2014. Passengers were flying aboard a Boeing 737-800. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on April 06, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on April 13, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on April 03, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on June 01, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on April 11, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on April 02, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.
UAL1238 (SEA-SFO)
This United Airlines flight traveled from Tacoma International Airport to San Francisco International Airport, on April 16, 2014. Passengers were flying aboard a Boeing 737-900. See all the flights for UA1238.

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".