Is WN4099 delayed?
No delay reported yet — WN4099 is scheduled to leave St Louis at 22:00 on Oct 1 and reach Chicago at 23:05 (as of Oct 1, 11:03 UTC).
Usually on time: arrived within 15 min of schedule on 7 of the last 10 flights.
No live update yet
Showing the published schedule until live times are reported.
Update time unavailable
Departure
St Louis
STL
Scheduled
Oct 1
Arrival
Chicago
MDW
Scheduled
Oct 1
Times shown in airport local time
Service date: · Scheduled departure date (America/Chicago)
Think WN4099 runs late today? Delayed is trading at 22¢ — pays out x4.48.
Will Southwest Airlines WN 4099 from St Louis to Chicago arrive on time, be delayed, or be cancelled on Oct 2?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.
- 26 min early
Indianapolis → Baltimore
- 16 min early
Indianapolis → Baltimore
- 28 min late
Indianapolis → Baltimore
- On schedule (<1 min behind)
Indianapolis → Baltimore
- 8 min early
Indianapolis → Baltimore
Is WN4099 usually late?
Observation window: Sep 1, 2026 – Oct 1, 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.
Related flights
Flight history and details
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| Sep 30, 2026Arrived | Indianapolis | Baltimore | -26 | |
| Sep 29, 2026Arrived | Indianapolis | Baltimore | -16 | |
| Sep 27, 2026Arrived | Indianapolis | Baltimore | 28 | |
| Sep 23, 2026Arrived | Indianapolis | Baltimore | 0 | |
| Sep 22, 2026Arrived | Indianapolis | Baltimore | -8 | |
| Sep 20, 2026Arrived | Indianapolis | Baltimore | 61 | |
| Sep 16, 2026Arrived | Indianapolis | Baltimore | 15 | |
| Sep 15, 2026Arrived | Indianapolis | Baltimore | -6 | |
| Sep 8, 2026Arrived | Indianapolis | Baltimore | 65 | |
| Sep 6, 2026Arrived | Indianapolis | Baltimore | -8 |
Email me if WN4099 runs late
We email you if your next WN4099 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.