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Southwest Airlines

Is WN3939 delayed?

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

Arrived

24 min early

Official source · Updated

Departure

Los Angeles

LAX

Actual

Scheduled 06:30

Aug 28

Arrival

San Francisco

SFO

Actual

Scheduled 07:50

Aug 28

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual
Route overview: Los Angeles → San FranciscoLAXSFO
Route overview

Recent arrivals

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

  • LAX → SFO

    2 min early

  • TPA → IND

    17 min early

  • TPA → IND

    4 min late

  • LAX → SFO

    16 min early

  • TPA → IND

    20 min late
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
17
Arrivals over 15 minutes late
1
Observed cancellations
0
Observed occurrences
17

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

WN3939 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedLos AngelesSan Francisco
-2
Sep 16, 2026ArrivedTampaIndianapolis
-17
Sep 15, 2026ArrivedTampaIndianapolis
4
Sep 14, 2026ArrivedLos AngelesSan Francisco
-16
Sep 12, 2026ArrivedTampaIndianapolis
20
Sep 11, 2026ArrivedLos AngelesSan Francisco
-22
Sep 10, 2026ArrivedLos AngelesSan Francisco
-29
Sep 7, 2026ArrivedLos AngelesSan Francisco
-23
Sep 5, 2026ArrivedTampaIndianapolis
-7
Sep 4, 2026ArrivedLos AngelesSan Francisco
-22
Sep 3, 2026ArrivedLos AngelesSan Francisco
-22
Aug 31, 2026ArrivedLos AngelesSan Francisco
-22
Aug 28, 2026ArrivedLos AngelesSan Francisco
-24
Aug 27, 2026ArrivedLos AngelesSan Francisco
-14
Aug 24, 2026ArrivedLos AngelesSan Francisco
-13
Aug 21, 2026ArrivedLos AngelesSan Francisco
-17

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