Southwest Airlines WN1635 Landed BOS Boston → STL St. Louis 2h 51m 1,682km / 1,038mi 26. Feb 2019 DEPARTURE 17:47 EST 22:47 UTC 17:35 +12 minutes ARRIVAL 19:38 CST 01:38 UTC 19:55 -16 minutes Boeing B737-700 N7843A AIRLINE Southwest Airlines WN / SWA FLIGHTS/WEEK 34 PUNCTUALITY 83%