WN1991 LAS → DSM

Southwest Airlines · Las Vegas, NV to Des Moines, IA · 28 flights observed, 2026-03-05 to 2026-04-06 · 1,216 mi

WN1991 covers more than one route in the data window — the stats below are for LAS → DSM, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-9 min
90th percentile
+25 min
Cancellation rate
4%

How often is WN1991 on time?

Across 28 flights on LAS → DSM from 2026-03-05 to 2026-04-06, WN1991 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +25 min or later. 4% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2281%
16-30 min311%
31-60 min14%
61-120 min14%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032277%+4 min
2026-045100%-11 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue4100%
Wed4100%
Thu560%
Fri560%
SatNo data—
Sun4100%

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