Southwest Airlines WN3643 Landed DEN Denver → SLC Salt Lake City 1h 13m 628km / 387mi 31. Dec 2017 DEPARTURE 12:44 MST 19:44 UTC 12:00 +44 minutes ARRIVAL 13:57 MST 20:57 UTC 13:30 +27 minutes Boeing B737-700 N443WN AIRLINE Southwest Airlines WN / SWA FLIGHTS/WEEK 153 PUNCTUALITY 77%