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Southwest Airlines

Is WN155 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

34 min late

Official source · Updated

Departure

Chicago

MDW

Scheduled

Sep 9

Arrival

Denver

DEN

Actual

Scheduled 22:22

Sep 8

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.

  • TPA → STL

    3 min early

  • PHX → LAS

    1 min early

  • BOS → STL

    29 min late

  • TPA → STL

    39 min late

  • TPA → STL

    17 min early
Flight history and details

Aug 23, 2026 — Sep 22, 2026

Observed arrivals
18
Arrivals over 15 minutes late
7
Observed cancellations
0
Observed occurrences
18

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

WN155 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 21, 2026ArrivedTampaSt Louis
-3
Sep 20, 2026ArrivedPhoenixLas Vegas
-1
Sep 19, 2026ArrivedBostonSt Louis
29
Sep 18, 2026ArrivedTampaSt Louis
39
Sep 17, 2026ArrivedTampaSt Louis
-17
Sep 17, 2026ArrivedChicagoDenver
-16
Sep 16, 2026ArrivedChicagoDenver
-13
Sep 14, 2026ArrivedTampaSt Louis
29
Sep 12, 2026ArrivedBostonSt Louis
76
Sep 11, 2026ArrivedTampaSt Louis
7
Sep 10, 2026ArrivedTampaSt Louis
-6
Sep 10, 2026ArrivedChicagoDenver
-4
Sep 9, 2026ArrivedChicagoDenver
34
Sep 7, 2026ArrivedTampaSt Louis
0
Sep 6, 2026ArrivedPhoenixLas Vegas
112
Sep 5, 2026ArrivedBostonSt Louis
-21
Sep 4, 2026ArrivedTampaSt Louis
82
Aug 29, 2026ArrivedBostonSt Louis
-1

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