Flights for WN540 These are not all the flights that WN540 has taken, just some of them that have flown in or out of SFO

SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on November 10, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on November 13, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on November 20, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on December 12, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on December 17, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on December 18, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on December 15, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on August 24, 2008. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on September 26, 2008. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on September 08, 2008. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on September 24, 2008. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.
SWA540 (MDW-SFO)
This Southwest Airlines flight traveled from Chicago Midway International Airport to San Francisco International Airport, on October 16, 2008. Passengers were flying aboard a Boeing 737-700. See all the flights for WN540.

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".