Southwest Airlines WN4 Landed BOS Boston → MDW Chicago 2h 9m 1,382km / 853mi 01. Dec 2017 DEPARTURE 16:44 EST 21:44 UTC 16:30 +14 minutes ARRIVAL 17:54 CST 23:54 UTC 18:25 -31 minutes Boeing B737-700 N460WN AIRLINE Southwest Airlines WN / SWA FLIGHTS/WEEK 23 PUNCTUALITY 68%