Southwest Airlines
Is WN3864 delayed?
Service date: · Scheduled departure date (UTC)
Arrived
On time
Official source · Updated
Departure
St Louis
STL
Actual
Scheduled 20:45
Sep 8
Arrival
Chicago
MDW
Actual
Sep 8
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Actual
STLMDW
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 8 min late
STL → MDW
- 6 min early
STL → MDW
- 5 min late
STL → MDW
- On time
STL → MDW
Flight history and details
Aug 21, 2026 — Sep 20, 2026
- Observed arrivals
- 4
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 0
- Observed occurrences
- 4
Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.
| Service date | Departure | Arrival | Actual | Arrival delay (minutes) |
|---|---|---|---|---|
| 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 |