Southwest Airlines WN440 Landed BOS Boston → STL St. Louis 2h 21m 1,682km / 1,038mi 21. Mar 2018 DEPARTURE 07:48 EDT 11:48 UTC 07:25 +23 minutes ARRIVAL 09:10 CDT 14:10 UTC 09:40 -29 minutes Boeing B737-800 N8637A AIRLINE Southwest Airlines WN / SWA FLIGHTS/WEEK 34 PUNCTUALITY 83%