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Southwest Airlines

Is WN3421 delayed?

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

Arrived

52 min late

Official source · Updated

Departure

Denver

DEN

Actual

Scheduled 19:52

Sep 14

Arrival

Sacramento

SMF

Actual

Scheduled 04:03

Sep 15

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.

  • DEN → SMF

    52 min late

  • DEN → SMF

    69 min late

  • DEN → SMF

    12 min early

  • DEN → SMF

    29 min late

  • DEN → SMF

    27 min late
Flight history and details

Aug 17, 2026 — Sep 16, 2026

Observed arrivals
14
Arrivals over 15 minutes late
6
Observed cancellations
0
Observed occurrences
15

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

WN3421 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 14, 2026ArrivedDenverSacramento
52
Sep 11, 2026ArrivedDenverSacramento
69
Sep 10, 2026ArrivedDenverSacramento
-12
Sep 7, 2026ArrivedDenverSacramento
29
Sep 4, 2026ArrivedDenverSacramento
27
Sep 3, 2026ArrivedDenverSacramento
13
Aug 31, 2026ArrivedDenverSacramento
34
Aug 30, 2026ArrivedDenverSacramento
9
Aug 28, 2026ArrivedDenverSacramento
8
Aug 27, 2026ArrivedDenverSacramento
3
Aug 24, 2026ArrivedDenverSacramento
97
Aug 23, 2026ArrivedDenverSacramento
-14
Aug 21, 2026ArrivedDenverSacramento
-4
Aug 20, 2026ArrivedDenverSacramento
0

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