WN437 MSY → LAS

Southwest Airlines · New Orleans, LA to Las Vegas, NV · 57 flights observed, 2025-08-05 to 2025-10-01 · 1,500 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 50% on Thursdays.

WN437 covers more than one route in the data window — the stats below are for MSY → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
82%
Median delay
-3 min
90th percentile
+31 min
Cancellation rate
0%

How often is WN437 on time?

Across 57 flights on MSY → LAS from 2025-08-05 to 2025-10-01, WN437 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +31 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4782%
16-30 min47%
31-60 min611%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-082688%-6 min
2025-093077%+7 min
2025-101100%-3 min

Performance by day of week

DayFlightsOn-time
Mon888%
Tue9100%
Wed9100%
Thu850%
Fri850%
Sat888%
Sun7100%

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