Flights for WN257 These are not all the flights that WN257 has taken, just some of them that have flown in or out of SFO

SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on August 22, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on August 25, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on September 08, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on September 06, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on August 29, 2013. Passengers were flying aboard a Boeing 737-300. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on September 16, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on August 26, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on August 27, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on September 04, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on September 03, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on September 05, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.
SWA257 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on September 01, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN257.

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".