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Southwest Airlines

Is WN1637 delayed?

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

Arrived

83 min late

Official source · Updated

Departure

Denver

DEN

Actual

Scheduled 19:05

Aug 31

Arrival

Phoenix

PHX

Actual

Scheduled 20:00

Aug 31

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Denver → PhoenixDENPHX
Route overview

Recent arrivals

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

  • JAX → DEN

    74 min late

  • DEN → PHX

    1 min early

  • JAX → DEN

    8 min early

  • DEN → PHX

    14 min late

  • DEN → PHX

    7 min late
Flight history and details

Aug 20, 2026 — Sep 19, 2026

Observed arrivals
26
Arrivals over 15 minutes late
13
Observed cancellations
0
Observed occurrences
29

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 18, 2026ArrivedJacksonvilleDenver
View this flight’s market
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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