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Southwest Airlines

Is WN4503 delayed?

Each route and date is shown separately. Confirm that both airports match your booking.

Service date: · Scheduled departure date (UTC)

Arrived

6 min early

Official source · Updated

Departure

Louisville

SDF

Actual

Scheduled 23:10

Sep 7

Arrival

Chicago

MDW

Actual

Scheduled 00:25

Sep 8

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Service date: · Scheduled departure date (UTC)

Arrived

17 min late

Official source · Updated

Departure

Dallas

DAL

Actual

Scheduled 20:39

Sep 7

Arrival

Louisville

SDF

Actual

Scheduled 22:24

Sep 7

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

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.

  • SDF → MDW

    6 min early

  • DAL → SDF

    4 min late

  • SDF → MDW

    9 min early

  • DAL → SDF

    11 min early

  • SDF → MDW

    38 min late
Flight history and details

Aug 22, 2026 — Sep 21, 2026

Observed arrivals
24
Arrivals over 15 minutes late
8
Observed cancellations
0
Observed occurrences
27

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

WN4503 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 18, 2026ArrivedLouisvilleChicago
-6
Sep 18, 2026ArrivedDallasLouisville
4
Sep 17, 2026ArrivedLouisvilleChicago
-9
Sep 17, 2026ArrivedDallasLouisville
-11
Sep 16, 2026ArrivedLouisvilleChicago
38
Sep 16, 2026ArrivedPhoenixLouisville
32
Sep 15, 2026ArrivedLouisvilleChicago
-24
Sep 15, 2026ArrivedPhoenixLouisville
6
Sep 14, 2026ArrivedLouisvilleChicago
18
Sep 14, 2026ArrivedDallasLouisville
29
Sep 11, 2026ArrivedLouisvilleChicago
-1
Sep 11, 2026ArrivedDallasLouisville
15
Sep 10, 2026ArrivedLouisvilleChicago
-4
Sep 10, 2026ArrivedDallasLouisville
7
Sep 9, 2026ArrivedLouisvilleChicago
8
Sep 9, 2026ArrivedPhoenixLouisville
22
Sep 8, 2026ArrivedLouisvilleChicago
-28
Sep 8, 2026ArrivedPhoenixLouisville
-1
Sep 7, 2026ArrivedLouisvilleChicago
-6
Sep 7, 2026ArrivedDallasLouisville
17
Sep 4, 2026ArrivedLouisvilleChicago
9
Sep 4, 2026ArrivedDallasLouisville
10
Sep 4, 2026ArrivedLouisvilleChicago
44
Aug 25, 2026ArrivedPhoenixLouisville
-14

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