Flights for WN3231 These are not all the flights that WN3231 has taken, just some of them that have flown in or out of SFO

SWA3231 (LAX-SFO)
This Southwest Airlines flight traveled from Los Angeles International Airport to San Francisco International Airport, on December 17, 2008. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-DAL)
This Southwest Airlines flight traveled from San Francisco International Airport to Dallas Love Field, on March 17, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-DAL)
This Southwest Airlines flight traveled from San Francisco International Airport to Dallas Love Field, on March 24, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-DAL)
This Southwest Airlines flight traveled from San Francisco International Airport to Dallas Love Field, on March 31, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-DAL)
This Southwest Airlines flight traveled from San Francisco International Airport to Dallas Love Field, on April 07, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-SNA)
This Southwest Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on January 28, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-SNA)
This Southwest Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on February 18, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-SNA)
This Southwest Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on February 11, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-SNA)
This Southwest Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on January 14, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-SNA)
This Southwest Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on March 04, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.
SWA3231 (SFO-SNA)
This Southwest Airlines flight traveled from San Francisco International Airport to John Wayne Airport, on February 25, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3231.

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".