Flights for WN4021 These are not all the flights that WN4021 has taken, just some of them that have flown in or out of SFO

WN4021 (SFO-MDW)
This Southwest Airlines flight traveled from San Francisco International Airport to Chicago Midway International Airport, on April 11, 2020. It departed from gate B12. Passengers were flying aboard a Boeing 737-700 with tail number N731SA. See all the flights for WN4021.
WN4021 (SFO-MDW)
This Southwest Airlines flight traveled from San Francisco International Airport to Chicago Midway International Airport, on March 14, 2020. It departed from gate B12. Passengers were flying aboard a Boeing 737-700 with tail number N704SW. See all the flights for WN4021.
WN4021 (SFO-MDW)
This Southwest Airlines flight traveled from San Francisco International Airport to Chicago Midway International Airport, on March 07, 2020. It departed from gate B12. Passengers were flying aboard a Boeing 737-700 with tail number N217JC. See all the flights for WN4021.
WN4021 (PHX-SFO)
This Southwest Airlines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on December 29, 2019. It arrived at gate B17. Passengers were flying aboard a Boeing 737-700 with tail number N713SW. See all the flights for WN4021.
WN4021 (PHX-SFO)
This Southwest Airlines flight traveled from Sky Harbor International Airport to San Francisco International Airport, on December 22, 2019. It arrived at gate B14. Passengers were flying aboard a Boeing 737-700 with tail number N7844A. See all the flights for WN4021.
SWA4021 (AUS-SFO)
This Southwest Airlines flight traveled from Austin-Bergstrom International Airport to San Francisco International Airport, on September 15, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN4021.
SWA4021 (AUS-SFO)
This Southwest Airlines flight traveled from Austin-Bergstrom International Airport to San Francisco International Airport, on August 11, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN4021.
SWA4021 (AUS-SFO)
This Southwest Airlines flight traveled from Austin-Bergstrom International Airport to San Francisco International Airport, on August 18, 2018. Passengers were flying aboard a Boeing 737-700. See all the flights for WN4021.