WN3066 STL → LAS

Southwest Airlines · St. Louis, MO to Las Vegas, NV · 47 flights observed, 2026-01-06 to 2026-03-04 · 1,371 mi

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

WN3066 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
85%
Median delay
-16 min
90th percentile
+23 min
Cancellation rate
0%

How often is WN3066 on time?

Across 47 flights on STL → LAS from 2026-01-06 to 2026-03-04, WN3066 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +23 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4085%
16-30 min511%
31-60 min12%
61-120 min12%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012681%-7 min
2026-021889%-14 min
2026-033100%-7 min

Performance by day of week

DayFlightsOn-time
Mon786%
Tue989%
Wed989%
Thu683%
Fri560%
Sat5100%
Sun683%

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