Southwest Airlines WN348 Landed BOS Boston → DEN Denver 4h 15m 2,818km / 1,739mi 01. Dec 2017 DEPARTURE 12:45 EST 17:45 UTC 12:15 +30 minutes ARRIVAL 15:01 MST 22:01 UTC 15:10 -9 minutes Boeing B737-800 N8683D AIRLINE Southwest Airlines WN / SWA FLIGHTS/WEEK 79 PUNCTUALITY 80%