Flights for WN501 These are not all the flights that WN501 has taken, just some of them that have flown in or out of SFO

SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 21, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 16, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 24, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 31, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 30, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 30, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 13, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 10, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 16, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 22, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 29, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on May 17, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.

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".