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Southwest Airlines

Is WN4854 delayed?

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

Arrived

7 min late

Updated

Departure

Las Vegas

LAS

Actual

Scheduled 20:50

Aug 28

Arrival

Boise

BOI

Actual

Scheduled 05:35

Aug 29

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Actual

Arrival · UTC

Scheduled
Estimated
Actual

Recent arrivals

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

  • LAS → BOI

    36 min late

  • LAS → BOI

    4 min late

  • LAS → BOI

    16 min early

  • AUS → PHX

    25 min early

  • LAS → BOI

    11 min early
Flight history and details

Aug 19, 2026 — Sep 18, 2026

Observed arrivals
17
Arrivals over 15 minutes late
1
Observed cancellations
0
Observed occurrences
20

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

WN4854 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 17, 2026ArrivedLas VegasBoise
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36
Sep 16, 2026ArrivedLas VegasBoise
4
Sep 14, 2026ArrivedLas VegasBoise
-16
Sep 13, 2026ArrivedAustinPhoenix
-25
Sep 11, 2026ArrivedLas VegasBoise
-11
Sep 10, 2026ArrivedLas VegasBoise
-7
Sep 9, 2026ArrivedLas VegasBoise
9
Sep 8, 2026ArrivedLas VegasBoise
14
Sep 7, 2026ArrivedLas VegasBoise
-13
Sep 4, 2026ArrivedLas VegasBoise
-8
Sep 1, 2026ArrivedLas VegasBoise
0
Aug 31, 2026ArrivedLas VegasBoise
-25
Aug 28, 2026ArrivedLas VegasBoise
7
Aug 27, 2026ArrivedLas VegasBoise
-14
Aug 26, 2026ArrivedLas VegasBoise
-22
Aug 25, 2026ArrivedLas VegasBoise
-8
Aug 24, 2026ArrivedLas VegasBoise
-18

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