Southwest Airlines WN1721 Landed MDW Chicago → STL St. Louis 58m 404km / 249mi 01. Sep 2019 DEPARTURE 09:31 CDT 14:31 UTC 09:35 -4 minutes GATE: B19 ARRIVAL 10:29 CDT 15:29 UTC 10:45 -16 minutes TERMINAL: 2 GATE: E18 Boeing B737-700 N477WN AIRLINE Southwest Airlines WN / SWA FLIGHTS/WEEK 40 PUNCTUALITY 56%