Southwest Airlines WN3538 Landed STL St. Louis → BOS Boston 1h 46m 1,682km / 1,038mi 29. Dec 2018 DEPARTURE 22:14 CST 04:14 UTC 20:00 +134 minutes ARRIVAL 01:01 EST 06:01 UTC 23:30 +91 minutes Boeing B737-700 N443WN AIRLINE Southwest Airlines WN / SWA FLIGHTS/WEEK 34 PUNCTUALITY 75%