Southwest Airlines WN1219 Landed BOS Boston → DEN Denver 4h 2,818km / 1,739mi 31. Jul 2018 DEPARTURE 09:31 EDT 13:31 UTC 09:10 +21 minutes ARRIVAL 11:32 MDT 17:32 UTC 11:55 -22 minutes Boeing B737-700 N409WN AIRLINE Southwest Airlines WN / SWA FLIGHTS/WEEK 77 PUNCTUALITY 80%