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Southwest Airlines

Is WN4255 delayed?

Service date: · Scheduled departure date (America/Denver)

Arrived

9 min late

Official source · Updated

Departure

Denver

DEN

Scheduled

Sep 13

Arrival

Burbank

BUR

Actual

Scheduled 02:10

Sep 14

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual
Not available

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • DEN → BUR

    53 min late

  • DEN → BUR

    71 min late

  • DEN → BUR

    8 min late

  • DEN → BUR

    25 min early

  • DEN → BUR

    9 min late
Flight history and details

Aug 21, 2026 — Sep 20, 2026

Observed arrivals
16
Arrivals over 15 minutes late
4
Observed cancellations
0
Observed occurrences
21

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

WN4255 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 19, 2026ArrivedDenverBurbank
View this flight’s market
53
Sep 18, 2026ArrivedDenverBurbank
71
Sep 17, 2026ArrivedDenverBurbank
8
Sep 14, 2026ArrivedDenverBurbank
-25
Sep 13, 2026ArrivedDenverBurbank
9
Sep 12, 2026ArrivedDenverBurbank
-13
Sep 11, 2026ArrivedDenverBurbank
-7
Sep 10, 2026ArrivedDenverBurbank
-13
Sep 7, 2026ArrivedDenverBurbank
4
Sep 5, 2026ArrivedDenverBurbank
5
Sep 4, 2026ArrivedDenverBurbank
13
Sep 3, 2026ArrivedDenverBurbank
41
Aug 31, 2026ArrivedDenverBurbank
-10
Aug 28, 2026ArrivedDenverBurbank
13
Aug 27, 2026ArrivedDenverBurbank
7
Aug 23, 2026ArrivedDenverBurbank
43

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