WN452 STL → LAS

Southwest Airlines · St. Louis, MO to Las Vegas, NV · 15 flights observed, 2025-07-01 to 2025-08-03 · 1,371 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 60% on Wednesdays.

WN452 covers more than one route in the data window — the stats below are for STL → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
87%
Median delay
-8 min
90th percentile
+15 min
Cancellation rate
0%

How often is WN452 on time?

Across 15 flights on STL → LAS from 2025-07-01 to 2025-08-03, WN452 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +15 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time1387%
16-30 min213%
31-60 min00%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-071486%-5 min
2025-081100%-5 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue5100%
Wed560%
ThuNo data—
FriNo data—
SatNo data—
Sun5100%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…