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Southwest Airlines

Is WN1637 delayed?

Service date: · Scheduled departure date (UTC)

Arrived

48 min late

Official source · Updated

Departure

Chicago

MDW

Scheduled

Sep 20

Arrival

Houston

HOU

Actual

Scheduled 18:31

Sep 20

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 → PHX

    9 min early

  • DEN → PHX

    44 min late

  • DEN → PHX

    38 min late

  • JAX → DEN

    10 min late

  • MDW → HOU

    48 min late
Flight history and details

Aug 25, 2026 — Sep 24, 2026

Observed arrivals
32
Arrivals over 15 minutes late
17
Observed cancellations
0
Observed occurrences
33

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

WN1637 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 23, 2026ArrivedDenverPhoenix
-9
Sep 22, 2026ArrivedDenverPhoenix
44
Sep 21, 2026ArrivedDenverPhoenix
38
Sep 21, 2026ArrivedJacksonvilleDenver
10
Sep 20, 2026ArrivedChicagoHouston
48
Sep 18, 2026ArrivedDenverPhoenix
81
Sep 18, 2026ArrivedJacksonvilleDenver
74
Sep 17, 2026ArrivedDenverPhoenix
-1
Sep 17, 2026ArrivedJacksonvilleDenver
-8
Sep 16, 2026ArrivedDenverPhoenix
14
Sep 15, 2026ArrivedDenverPhoenix
7
Sep 14, 2026ArrivedDenverPhoenix
74
Sep 14, 2026ArrivedJacksonvilleDenver
35
Sep 13, 2026ArrivedChicagoHouston
5
Sep 11, 2026ArrivedDenverPhoenix
29
Sep 11, 2026ArrivedJacksonvilleDenver
15
Sep 10, 2026ArrivedDenverPhoenix
-2
Sep 9, 2026ArrivedDenverPhoenix
-21
Sep 8, 2026ArrivedDenverPhoenix
10
Sep 7, 2026ArrivedDenverPhoenix
46
Sep 7, 2026ArrivedJacksonvilleDenver
35
Sep 6, 2026ArrivedLas VegasOntario
-10
Sep 4, 2026ArrivedDenverPhoenix
63
Sep 4, 2026ArrivedJacksonvilleDenver
52
Sep 3, 2026ArrivedDenverPhoenix
43
Sep 2, 2026ArrivedDenverPhoenix
37
Sep 1, 2026ArrivedDenverPhoenix
-10
Aug 31, 2026ArrivedDenverPhoenix
83
Aug 28, 2026ArrivedDenverPhoenix
28
Aug 27, 2026ArrivedDenverPhoenix
3
Aug 26, 2026ArrivedDenverPhoenix
56
Aug 25, 2026ArrivedDenverPhoenix
-18

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