Southwest Airlines
Is WN4091 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
8 min late
Official source · Updated
Departure
Seattle
SEA
Actual
Scheduled 11:10
Sep 6
Arrival
St Louis
STL
Actual
Scheduled 21:23
Sep 6
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
SEASTL
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 11 min early
GRR → MDW
- 5 min late
GRR → MDW
- 6 min early
GRR → MDW
- 15 min early
GRR → MDW
- 8 min late
SEA → STL
Flight history and details
Aug 19, 2026 — Sep 18, 2026
- Observed arrivals
- 5
- Arrivals over 15 minutes late
- 0
- Observed cancellations
- 0
- Observed occurrences
- 5
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 | Grand Rapids | Chicago | -11 | |
| Sep 15, 2026Arrived | Grand Rapids | Chicago | 5 | |
| Sep 9, 2026Arrived | Grand Rapids | Chicago | -6 | |
| Sep 8, 2026Arrived | Grand Rapids | Chicago | -15 | |
| Sep 6, 2026Arrived | Seattle | St Louis | 8 |