Is WN3509 delayed?
No delay reported yet — WN3509 is scheduled to leave San Antonio at 15:42 on Sep 29 and reach St Louis at 17:40 (as of Sep 29, 20:17 UTC). Over its last 6 recorded arrivals, 0 landed more than 15 min late.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
San Antonio
SAT
Scheduled
Sep 29
Arrival
St Louis
STL
Scheduled
Sep 29
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Think WN3509 runs late today? Delayed is trading at 24¢ — pays out x4.10.
Will Southwest Airlines SWA 3509 from San Antonio to St Louis 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 (<1 min behind)
San Antonio → St Louis
- On schedule (8 min behind)
San Antonio → St Louis
- 7 min early
San Antonio → St Louis
- 13 min early
San Antonio → St Louis
- 14 min early
San Antonio → St Louis
Is WN3509 usually late?
Observation window: Aug 30, 2026 – Sep 29, 2026
Percentages and delay figures appear once 10 arrivals are recorded.
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.
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 23, 2026Arrived | San Antonio | St Louis | 0 | |
| Sep 22, 2026Arrived | San Antonio | St Louis | 8 | |
| Sep 16, 2026Arrived | San Antonio | St Louis | -7 | |
| Sep 15, 2026Arrived | San Antonio | St Louis | -13 | |
| Sep 9, 2026Arrived | San Antonio | St Louis | -14 | |
| Sep 8, 2026Arrived | San Antonio | St Louis | 9 |
Email me if WN3509 runs late
We email you if your next WN3509 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.