Is WN3831 delayed?
No delay reported yet — WN3831 is scheduled to leave St Louis at 18:43 on Sep 29 and reach Denver at 19:45 (as of Sep 29, 20:17 UTC).
Often late: arrived more than 15 min after schedule on 10 of the last 20 flights.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
St Louis
STL
Scheduled
Sep 29
Arrival
Denver
DEN
Scheduled
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Think WN3831 runs late today? Delayed is trading at 38¢ — pays out x2.61.
Will Southwest Airlines SWA 3831 from St Louis to Denver arrive on time, be delayed, or be cancelled on Sep 29?Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
- Not available
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.
- On schedule (13 min behind)
St Louis → Denver
- 131 min late
St Louis → Denver
- 201 min late
St Louis → Denver
- 31 min late
St Louis → Denver
- 9 min early
St Louis → Denver
Is WN3831 usually late?
Observation window: Aug 30, 2026 – Sep 29, 2026
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.
At the airports today
Denver (DEN) departures
- Left more than 15 min late
- 50 of 372
- Cancelled today
- 3
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 28, 2026Arrived | St Louis | Denver | 13 | |
| Sep 27, 2026Arrived | St Louis | Denver | 131 | |
| Sep 25, 2026Arrived | St Louis | Denver | 201 | |
| Sep 24, 2026Arrived | St Louis | Denver | 31 | |
| Sep 23, 2026Arrived | St Louis | Denver | -9 | |
| Sep 22, 2026Arrived | St Louis | Denver | 13 | |
| Sep 21, 2026Arrived | St Louis | Denver | 36 | |
| Sep 20, 2026Arrived | St Louis | Denver | 7 | |
| Sep 18, 2026Arrived | St Louis | Denver | 116 | |
| Sep 17, 2026Arrived | St Louis | Denver | 41 | |
| Sep 16, 2026Arrived | St Louis | Denver | 73 | |
| Sep 15, 2026Arrived | St Louis | Denver | 3 | |
| Sep 14, 2026Arrived | St Louis | Denver | 10 | |
| Sep 13, 2026Arrived | St Louis | Denver | 25 | |
| Sep 11, 2026Arrived | St Louis | Denver | 2 | |
| Sep 10, 2026Arrived | St Louis | Denver | 7 | |
| Sep 9, 2026Arrived | St Louis | Denver | 3 | |
| Sep 8, 2026Arrived | St Louis | Denver | 11 | |
| Sep 7, 2026Arrived | St Louis | Denver | 6 | |
| Sep 4, 2026Arrived | St Louis | Denver | 27 |
Email me if WN3831 runs late
We email you if your next WN3831 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.