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Southwest Airlines

Is WN4156 delayed?

No, WN4156 landed in Las Vegas 6 min early, at 07:21 on Nov 14 (as of Nov 14, 15:21 UTC).

Usually on time: arrived within 15 min of schedule on 13 of the last 14 flights.

Arrived

6 min early

Official source · Updated

Departure

St Louis

STL

Actual

Scheduled 06:08

Nov 14

Arrival

Las Vegas

LAS

Actual

Scheduled 07:28

Nov 14

Times shown in airport local time

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

Market settled: On time.

View this flight’s marketHow this market settles

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
View this flight’s market

The price is the traded chance of the market’s outcome. It doesn’t confirm the flight’s status. See the market for its rules.

Recent arrivals

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

  • St Louis → Las Vegas

    6 min early

  • St Louis → Las Vegas

    27 min early

  • St Louis → Las Vegas

    19 min late

  • St Louis → Las Vegas

    30 min early

  • St Louis → Las Vegas

    38 min early

Is WN4156 usually late?

Period: Oct 15, 2026 – Nov 14, 2026

Arrivals tracked
14
On time
93%
of 14 arrivals
Late
7%
of 14 arrivals
Cancelled
0%
of 14 flights
Median arrival delay
27 min early
9 in 10 arrived within
1 min early

On time means arriving no more than 15 minutes after the scheduled time; late means more than 15 minutes after. Cancelled and diverted flights are counted apart from arrivals. Compares scheduled and actual arrival times. Cancelled and diverted flights are left out. Some flights may be missing.

How flight status works

At the airports today

Las Vegas (LAS) departures

Left more than 15 min late
22 of 53
Cancelled today
38

Related flights

All Southwest Airlines flights

Flight history and details
WN4156 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Nov 14, 2026ArrivedSt LouisLas Vegas
View this flight’s market
-6
Nov 13, 2026ArrivedSt LouisLas Vegas-27
Nov 12, 2026ArrivedSt LouisLas Vegas19
Nov 11, 2026ArrivedSt LouisLas Vegas-30
Nov 10, 2026ArrivedSt LouisLas Vegas-38
Nov 9, 2026ArrivedSt LouisLas Vegas-34
Nov 8, 2026ArrivedSt LouisLas Vegas-39
Nov 7, 2026ArrivedSt LouisLas Vegas-36
Nov 6, 2026ArrivedSt LouisLas Vegas-23
Nov 5, 2026ArrivedSt LouisLas Vegas-29
Nov 4, 2026ArrivedSt LouisLas Vegas-3
Nov 3, 2026ArrivedSt LouisLas Vegas-31
Nov 2, 2026ArrivedSt LouisLas Vegas-19
Nov 1, 2026ArrivedSt LouisLas Vegas0
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