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Southwest Airlines

Is WN439 delayed?

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

Arrived

3 min late

Official source · Updated

Departure

Baltimore

BWI

Actual

Scheduled 21:46

Sep 20

Arrival

Louisville

SDF

Actual

Scheduled 03:09

Sep 21

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.

  • BWI → SDF

    19 min early

  • BWI → SDF

    7 min early

  • DEN → BZN

    21 min late

  • BWI → SDF

    3 min late

  • BWI → SDF

    12 min early
Flight history and details

Aug 25, 2026 — Sep 24, 2026

Observed arrivals
26
Arrivals over 15 minutes late
4
Observed cancellations
1
Observed occurrences
28

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

WN439 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 23, 2026ArrivedBaltimoreLouisville
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-19
Sep 22, 2026ArrivedBaltimoreLouisville
-7
Sep 21, 2026ArrivedDenverBozeman
21
Sep 20, 2026ArrivedBaltimoreLouisville
3
Sep 19, 2026ArrivedBaltimoreLouisville
-12
Sep 18, 2026ArrivedDenverBozeman
-20
Sep 17, 2026ArrivedDenverBozeman
12
Sep 16, 2026ArrivedBaltimoreLouisville
41
Sep 15, 2026ArrivedBaltimoreLouisville
32
Sep 13, 2026ArrivedBaltimoreLouisville
9
Sep 12, 2026ArrivedBaltimoreLouisville
83
Sep 11, 2026ArrivedDenverBozeman
10
Sep 10, 2026ArrivedDenverBozeman
8
Sep 8, 2026ArrivedBaltimoreLouisville
-9
Sep 7, 2026ArrivedDenverBozeman
-6
Sep 6, 2026ArrivedBaltimoreLouisville
-15
Sep 5, 2026ArrivedBaltimoreLouisville
-21
Sep 4, 2026ArrivedDenverBozeman
-13
Sep 2, 2026CancelledBaltimoreLouisvilleNot available
Not available
Sep 1, 2026ArrivedBaltimoreLouisville
-21
Aug 31, 2026ArrivedDenverBozeman
-12
Aug 30, 2026ArrivedBaltimoreLouisville
-4
Aug 29, 2026ArrivedBaltimoreLouisville
-14
Aug 28, 2026ArrivedDenverBozeman
-6
Aug 27, 2026ArrivedDenverBozeman
11
Aug 26, 2026ArrivedBaltimoreLouisville
-21
Aug 25, 2026ArrivedBaltimoreLouisville
10

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