WN2031 LAS → STL

Southwest Airlines · Las Vegas, NV to St. Louis, MO · 24 flights observed, 2025-11-03 to 2026-01-01 · 1,371 mi

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

WN2031 covers more than one route in the data window — the stats below are for LAS → STL, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-7 min
90th percentile
+23 min
Cancellation rate
0%

How often is WN2031 on time?

Across 24 flights on LAS → STL from 2025-11-03 to 2026-01-01, WN2031 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -7 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-time2188%
16-30 min14%
31-60 min14%
61-120 min00%
2+ hrs14%

Performance by month

MonthFlightsOn-timeAvg delay
2025-11978%+8 min
2025-121493%-5 min
2026-011100%+12 min

Performance by day of week

DayFlightsOn-time
Mon4100%
Tue683%
Wed8100%
Thu560%
Fri1100%
SatNo data—
SunNo data—

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