Is WN3864 delayed?
No delay reported — WN3864 is expected in Chicago at 16:48 on Sep 29, 2 min early. Over its last 6 recorded arrivals, 0 landed more than 15 min late.
2 min early
This update may be out of date. Check with your airline.
Update time unavailable
Departure
St Louis
STL
Actual
Scheduled 15:45
Sep 29
Arrival
Chicago
MDW
Estimated
Scheduled 16:50
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.
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- 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.
- 20 min early
St Louis → Chicago
- 16 min early
St Louis → Chicago
- On schedule (8 min behind)
St Louis → Chicago
- 6 min early
St Louis → Chicago
- On schedule (5 min behind)
St Louis → Chicago
Is WN3864 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 | St Louis | Chicago | -20 | |
| Sep 22, 2026Arrived | St Louis | Chicago | -16 | |
| Sep 16, 2026Arrived | St Louis | Chicago | 8 | |
| Sep 15, 2026Arrived | St Louis | Chicago | -6 | |
| Sep 9, 2026Arrived | St Louis | Chicago | 5 | |
| Sep 8, 2026Arrived | St Louis | Chicago | 0 |
Email me if WN3864 runs late
We email you if your next WN3864 flight in the coming day is more than 15 minutes late, cancelled or diverted. Alerts last 30 days. No account needed.