Flight OddsLAS → DSM Southwest Airlines
Southwest Airlines · Las Vegas, NV to Des Moines, IA · 365 flights, 2025-07-01 to 2026-06-30 · aggregated across 25 flight numbers
On-time arrival
80%
Median delay
-5 min
90th percentile
+32 min
Cancellation rate
1%
How on-time is Southwest Airlines from LAS to DSM?
Across every Southwest Airlines flight number on LAS → DSM (365 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -5 min; the worst 10% ran +32 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 290 | 80% |
| 16-30 min | 35 | 10% |
| 31-60 min | 30 | 8% |
| 61-120 min | 5 | 1% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 90% | -4 min |
| 2025-08 | 31 | 68% | +5 min |
| 2025-09 | 29 | 72% | +1 min |
| 2025-10 | 31 | 74% | +11 min |
| 2025-11 | 30 | 83% | +0 min |
| 2025-12 | 30 | 80% | +8 min |
| 2026-01 | 31 | 87% | 0 min |
| 2026-02 | 28 | 86% | +2 min |
| 2026-03 | 30 | 80% | +2 min |
| 2026-04 | 30 | 87% | -4 min |
| 2026-05 | 31 | 74% | +5 min |
| 2026-06 | 30 | 80% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 51 | 71% |
| Tue | 53 | 89% |
| Wed | 52 | 92% |
| Thu | 52 | 77% |
| Fri | 52 | 83% |
| Sat | 52 | 83% |
| Sun | 50 | 66% |
WN flight numbers on LAS → DSM
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…