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WN4378 Flight Status ( Denver to Boston )

ARRIVED 61 HOUR 2 MINUTES AGO
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Departure (WN4378 Flight Schedule)

Denver Intl ()

flag Denver, United States

13:00 MST

Sun 22-Feb-2026

 
MST 00:00:00 DAY
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Arrival (WN4378 Flight Schedule)

Boston Logan Intl ()

flag Boston, United States

18:45 EST

Sun 22-Feb-2026

 
EST 00:00:00 DAY

Flight Radar Checker WN 4378

Live Flight Tracker Map

Flight WN4378 from Denver to Boston is operated by Southwest Airlines. Scheduled time of departure from Denver Intl is 13:00 MST and scheduled time of arrival in Boston Logan Intl is 18:45 EST. The duration of the flight is 3 hours 45 minutes.

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from Boston to Denver

Flight Departure Arrival

08:50
Boston Logan Intl
()
Denver Intl
()

09:50
Boston Logan Intl
()
Denver Intl
()

10:17
Boston Logan Intl
()
Denver Intl
()

10:24
Boston Logan Intl
()
Denver Intl
()

11:24
Boston Logan Intl
()
Denver Intl
()

12:20
Boston Logan Intl
()
Denver Intl
()

12:50
Boston Logan Intl
()
Denver Intl
()

13:21
Boston Logan Intl
()
Denver Intl
()

14:12
Boston Logan Intl
()
Denver Intl
()

16:25
Boston Logan Intl
()
Denver Intl
()

17:50
Boston Logan Intl
()
Denver Intl
()

18:09
Boston Logan Intl
()
Denver Intl
()

19:34
Boston Logan Intl
()
Denver Intl
()

19:40
Boston Logan Intl
()
Denver Intl
()

22:18
Boston Logan Intl
()
Denver Intl
()

23:07
Boston Logan Intl
()
Denver Intl
()

History Flight Information for WN4378 from Flight Scanner System

Date Flight Departure Airport Arrival Airport Scheduled Plane Estimated
Departure Arrival Departure Arrival
Sun, 22 Feb WN4378 Denver Intl () Boston Logan Intl () 13:00 MST 18:45 EST
Sat, 21 Feb WN4378 Denver Intl () Boston Logan Intl () 11:10 MST 17:00 EST 11:59 MST 17:50 EST
Fri, 20 Feb WN4378 Denver Intl () Boston Logan Intl () 13:00 MST 18:45 EST 12:40 MST 18:31 EST
Mon, 16 Feb WN4378 Denver Intl () Boston Logan Intl () 13:00 MST 18:45 EST
Sat, 14 Feb WN4378 Denver Intl () Boston Logan Intl () 11:10 MST 17:00 EST ( B738) 11:10 MST 16:36 EST
Fri, 13 Feb WN4378 Denver Intl () Boston Logan Intl () 13:00 MST 18:45 EST 12:40 MST 18:31 EST
Thu, 12 Feb WN4378 Denver Intl () Boston Logan Intl () 13:00 MST 18:45 EST 12:42 MST 18:26 EST
Sat, 31 Jan WN4378 Denver Intl () Dallas Love Fld () 06:35 MST 09:45 CST 06:26 MST 12:41 CST
Sun, 04 Jan WN4378 Sacramento Intl () Portland Intl () 21:45 PST 23:20 PST
Sat, 03 Jan WN4378 Sacramento Intl () Portland Intl () 21:20 PST 22:55 PST 22:09 PST 23:15 PST
Fri, 02 Jan WN4378 Sacramento Intl () Portland Intl () 21:45 PST 23:20 PST (Boeing B738) 22:24 PST 23:30 PST

Disclaimer for WN4378 Flight Radar Data

Flight WN4378 from Denver Intl to Boston Logan Intl data is collected from different sources. The data is for informational purposes only and PlaneMapper is not responsible for the accuracy and reliability of flight WN4378 data.