Flights for WN3456 These are not all the flights that WN3456 has taken, just some of them that have flown in or out of SFO

SWA3456 (SFO-MDW)
This Southwest Airlines flight traveled from San Francisco International Airport to Chicago Midway International Airport, on September 03, 2018. Passengers were flying aboard a Boeing 737-800. See all the flights for WN3456.
SWA3456 (SFO-MDW)
This Southwest Airlines flight traveled from San Francisco International Airport to Chicago Midway International Airport, on May 27, 2013. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3456.

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".