Flights for WN2173 These are not all the flights that WN2173 has taken, just some of them that have flown in or out of SFO

SWA2173 (SFO-MDW)
This Southwest Airlines flight traveled from San Francisco International Airport to Chicago Midway International Airport, on January 30, 2010. Passengers were flying aboard a Boeing 737-700. See all the flights for WN2173.
SWA2173 (SFO-MDW)
This Southwest Airlines flight traveled from San Francisco International Airport to Chicago Midway International Airport, on January 16, 2010. Passengers were flying aboard a Boeing 737-700. See all the flights for WN2173.

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".