WN2646 STL → LAS

Southwest Airlines · St. Louis, MO to Las Vegas, NV · 57 flights observed, 2025-08-05 to 2025-10-01 · 1,371 mi

This flight runs much more reliably at some times of day than others — 100% on-time departing 6–9am vs. 58% departing 9pm–12am.

WN2646 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
77%
Median delay
-1 min
90th percentile
+45 min
Cancellation rate
0%

How often is WN2646 on time?

Across 57 flights on STL → LAS from 2025-08-05 to 2025-10-01, WN2646 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +45 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4477%
16-30 min47%
31-60 min59%
61-120 min24%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082681%+14 min
2025-093073%+16 min
2025-101100%-7 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue9100%
Wed9100%
Thu863%
Fri850%
Sat8100%
Sun757%

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