Flights for WN636 These are not all the flights that WN636 has taken, just some of them that have flown in or out of SFO

SWA636 (SFO-PHX)
This Southwest Airlines flight traveled from San Francisco International Airport to Sky Harbor International Airport, on January 01, 2015. Passengers were flying aboard a Boeing 737-700. See all the flights for WN636.
SWA636 (SNA-SFO)
This Southwest Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on November 27, 2017. Passengers were flying aboard a Boeing 737-700. See all the flights for WN636.
SWA636 (SNA-SFO)
This Southwest Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on December 22, 2017. Passengers were flying aboard a Boeing 737-700. See all the flights for WN636.
SWA636 (SNA-SFO)
This Southwest Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on November 27, 2017. Passengers were flying aboard a Boeing 737-700. See all the flights for WN636.
SWA636 (SNA-SFO)
This Southwest Airlines flight traveled from John Wayne Airport to San Francisco International Airport, on December 26, 2017. Passengers were flying aboard a Boeing 737-700. See all the flights for WN636.
SWA636 (STL-SFO)
This Southwest Airlines flight traveled from Lambert-St. Louis International Airport to San Francisco International Airport, on January 01, 2015. Passengers were flying aboard a Boeing 737-700. See all the flights for WN636.

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".