Flights for UA638 These are not all the flights that UA638 has taken, just some of them that have flown in or out of SFO

UAL638 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on January 20, 2013. Passengers were flying aboard an Airbus A319. See all the flights for UA638.
UAL638 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on February 03, 2013. Passengers were flying aboard an Airbus A319. See all the flights for UA638.
UAL638 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on January 13, 2013. Passengers were flying aboard an Airbus A319. See all the flights for UA638.
UAL638 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on January 13, 2013. Passengers were flying aboard an Airbus A319. See all the flights for UA638.
UAL638 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on February 10, 2013. Passengers were flying aboard an Airbus A319. See all the flights for UA638.
UAL638 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on January 06, 2013. Passengers were flying aboard an Airbus A320-200. See all the flights for UA638.
UAL638 (SNA-SFO)
This United Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on January 27, 2013. Passengers were flying aboard an Airbus A319. See all the flights for UA638.

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".