Flights for WN3891 These are not all the flights that WN3891 has taken, just some of them that have flown in or out of SFO

SWA3891 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on March 19, 2011. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3891.
SWA3891 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 09, 2011. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3891.
SWA3891 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 02, 2011. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3891.
SWA3891 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 23, 2011. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3891.
SWA3891 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on April 16, 2011. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3891.
SWA3891 (DEN-SFO)
This Southwest Airlines flight traveled from Denver International Airport to San Francisco International Airport, on March 26, 2011. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3891.
SWA3891 (LAS-SFO)
This Southwest Airlines flight traveled from McCarran International Airport to San Francisco International Airport, on December 25, 2015. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3891.
SWA3891 (SFO-DEN)
This Southwest Airlines flight traveled from San Francisco International Airport to Denver International Airport, on December 25, 2015. Passengers were flying aboard a Boeing 737-700. See all the flights for WN3891.

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".