WN1150 DSM → LAS

Southwest Airlines · Des Moines, IA to Las Vegas, NV · 34 flights observed, 2026-04-07 to 2026-06-03 · 1,216 mi

This flight runs much more reliably at some times of day than others — 88% on-time departing 12–3pm vs. 38% departing 6–9pm.

WN1150 covers more than one route in the data window — the stats below are for DSM → LAS, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
76%
Median delay
-7 min
90th percentile
+35 min
Cancellation rate
0%

How often is WN1150 on time?

Across 34 flights on DSM → LAS from 2026-04-07 to 2026-06-03, WN1150 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +35 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2676%
16-30 min412%
31-60 min26%
61-120 min00%
2+ hrs26%

Performance by month

MonthFlightsOn-timeAvg delay
2026-041479%+4 min
2026-051872%+16 min
2026-062100%-20 min

Performance by day of week

DayFlightsOn-time
MonNo data—
Tue989%
Wed989%
ThuNo data—
FriNo data—
Sat888%
Sun838%

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