Southwest Airlines WN221 Landed BOS Boston → DEN Denver 4h 16m 2,818km / 1,739mi 30. Aug 2021 DEPARTURE 16:33 EDT 20:33 UTC 16:20 +13 minutes TERMINAL: B GATE: B34 ARRIVAL 18:50 MDT 00:50 UTC 18:55 -4 minutes TERMINAL: B GATE: C37 Boeing B737-700 N566WN AIRLINE Southwest Airlines WN / SWA FLIGHTS/WEEK 79 PUNCTUALITY 79%