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Southwest Airlines

Is WN3850 delayed?

WN3850 left St Louis on schedule, at 21:14 on Sep 29 (1 min behind); its arrival time is not confirmed yet.

Usually on time: arrived within 15 min of schedule on 13 of the last 21 flights.

DepartedLast reported

On schedule (1 min behind)

This update may be out of date. Check with your airline.

Update time unavailable

Departure

St Louis

STL

Actual

Scheduled 21:13

Sep 29

Arrival

Los Angeles

LAX

Scheduled

Sep 29

Times shown in airport local time

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

In the air. The market on this flight settles on the airport’s recorded arrival.

View this flight’s marketHow this market settles

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual
Not available
View this flight’s market

Market prices express trading expectations about a contract’s stated threshold. They do not confirm airline status. The linked market shows its terms and activity.

Recent arrivals

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

  • St Louis → Los Angeles

    90 min late
  • St Louis → Los Angeles

    55 min late
  • St Louis → Los Angeles

    On schedule (11 min behind)
  • St Louis → Los Angeles

    1 min early
  • St Louis → Los Angeles

    10 min early

Is WN3850 usually late?

Observation window: Aug 31, 2026 – Sep 30, 2026

Observed arrivals
21
On time
62%
of 21 arrivals
Late
38%
of 21 arrivals
Cancelled
0%
of 22 flights
Median arrival delay
9 min
9 in 10 arrived within
90 min

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. 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

At the airports today

Los Angeles (LAX) departures

Left more than 15 min late
60 of 353
Cancelled today
1

All Southwest Airlines flights

Flight history and details
WN3850 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 28, 2026ArrivedSt LouisLos Angeles90
Sep 27, 2026ArrivedSt LouisLos Angeles55
Sep 25, 2026ArrivedSt LouisLos Angeles11
Sep 24, 2026ArrivedSt LouisLos Angeles-1
Sep 23, 2026ArrivedSt LouisLos Angeles-10
Sep 22, 2026ArrivedSt LouisLos Angeles5
Sep 21, 2026ArrivedSt LouisLos Angeles126
Sep 20, 2026ArrivedSt LouisLos Angeles68
Sep 18, 2026ArrivedSt LouisLos Angeles7
Sep 17, 2026ArrivedSt LouisLos Angeles27
Sep 16, 2026ArrivedSt LouisLos Angeles5
Sep 15, 2026ArrivedSt LouisLos Angeles-9
Sep 14, 2026ArrivedSt LouisLos Angeles143
Sep 13, 2026ArrivedSt LouisLos Angeles64
Sep 11, 2026ArrivedSt LouisLos Angeles4
Sep 10, 2026ArrivedSt LouisLos Angeles-20
Sep 9, 2026ArrivedSt LouisLos Angeles-15
Sep 8, 2026ArrivedSt LouisLos Angeles-12
Sep 7, 2026ArrivedSt LouisLos Angeles9
Sep 6, 2026ArrivedSt LouisLos Angeles21
Sep 4, 2026ArrivedSt LouisLos Angeles13

Email me if WN3850 runs late

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