Flights for WN3994 These are not all the flights that WN3994 has taken, just some of them that have flown in or out of SFO

SWA3994 (SFO-LAX)
This Southwest Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on May 24, 2008. Passengers were flying aboard a Boeing 737-500. See all the flights for WN3994.
SWA3994 (SFO-LAX)
This Southwest Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on June 07, 2008. Passengers were flying aboard a Boeing 737-300. See all the flights for WN3994.
SWA3994 (SFO-LAX)
This Southwest Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on June 28, 2008. Passengers were flying aboard a Boeing 737-500. See all the flights for WN3994.
SWA3994 (SFO-LAX)
This Southwest Airlines flight traveled from San Francisco International Airport to Los Angeles International Airport, on May 31, 2008. Passengers were flying aboard a Boeing 737-500. See all the flights for WN3994.
SWA3994 (SFO-SAN)
This Southwest Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on July 04, 2015. Passengers were flying aboard a Boeing 737-300. See all the flights for WN3994.
SWA3994 (SFO-SAN)
This Southwest Airlines flight traveled from San Francisco International Airport to San Diego International Airport, on July 04, 2015. Passengers were flying aboard a Boeing 737-300. See all the flights for WN3994.

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".