Southwest Airlines
Is WN4528 delayed?
Service date: · Scheduled departure date (America/Los_Angeles)
Arrived
12 min early
Official source · Updated
Departure
Las Vegas
LAS
Actual
Scheduled 19:46
Sep 14
Arrival
St Louis
STL
Actual
Scheduled 05:38
Sep 15
Times shown in airport local time
Flight details
Departure · UTC
- Scheduled
- Estimated
- Not available
- Actual
Arrival · UTC
- Scheduled
- Estimated
- Not available
- Actual
LASSTL
Recent arrivals
Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.
- 12 min early
LAS → STL
- 15 min early
LAS → STL
- 82 min late
LAS → STL
- 28 min late
LAS → STL
- 38 min late
LAS → STL
Flight history and details
Aug 17, 2026 — Sep 16, 2026
- Observed arrivals
- 16
- Arrivals over 15 minutes late
- 4
- Observed cancellations
- 0
- Observed occurrences
- 17
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 14, 2026Arrived | Las Vegas | St Louis | -12 | |
| Sep 12, 2026Arrived | Las Vegas | St Louis | -15 | |
| Sep 11, 2026Arrived | Las Vegas | St Louis | 82 | |
| Sep 10, 2026Arrived | Las Vegas | St Louis | 28 | |
| Sep 7, 2026Arrived | Las Vegas | St Louis | 38 | |
| Sep 5, 2026Arrived | Las Vegas | St Louis | -14 | |
| Sep 4, 2026Arrived | Las Vegas | St Louis | -22 | |
| Sep 3, 2026Arrived | Las Vegas | St Louis | 17 | |
| Aug 31, 2026Arrived | Las Vegas | St Louis | -17 | |
| Aug 29, 2026Arrived | Las Vegas | St Louis | -7 | |
| Aug 28, 2026Arrived | Las Vegas | St Louis | 0 | |
| Aug 27, 2026Arrived | Las Vegas | St Louis | -13 | |
| Aug 24, 2026Arrived | Las Vegas | St Louis | -10 | |
| Aug 22, 2026Arrived | Las Vegas | St Louis | -2 | |
| Aug 20, 2026Arrived | Las Vegas | St Louis | -20 |