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 23, 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 28, 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 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 09, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (KLAS-SFO)
This Southwest Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on May 30, 2015. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (LAS-SFO)
This Southwest Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on April 28, 2015. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (LAS-SFO)
This Southwest Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on May 14, 2015. Passengers were flying aboard a Boeing 737-300. See all the flights for WN501.
SWA501 (LAS-SFO)
This Southwest Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on April 11, 2015. Passengers were flying aboard a Boeing 737-300. See all the flights for WN501.
SWA501 (LAS-SFO)
This Southwest Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on April 17, 2015. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (LAS-SFO)
This Southwest Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on April 21, 2015. Passengers were flying aboard a Boeing 737-300. See all the flights for WN501.
SWA501 (LAS-SFO)
This Southwest Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on April 27, 2015. Passengers were flying aboard a Boeing 737-700. See all the flights for WN501.
SWA501 (LAS-SFO)
This Southwest Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on May 01, 2015. Passengers were flying aboard a Boeing 737-300. 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".