DSM → LAS Southwest Airlines
Southwest Airlines · Des Moines, IA to Las Vegas, NV · 365 flights, 2025-07-01 to 2026-06-30 · aggregated across 24 flight numbers
On-time arrival
84%
Median delay
-7 min
90th percentile
+30 min
Cancellation rate
1%
How on-time is Southwest Airlines from DSM to LAS?
Across every Southwest Airlines flight number on DSM → LAS (365 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +30 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 305 | 84% |
| 16-30 min | 22 | 6% |
| 31-60 min | 22 | 6% |
| 61-120 min | 9 | 2% |
| 2+ hrs | 5 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 80% | +1 min |
| 2025-08 | 31 | 90% | -4 min |
| 2025-09 | 30 | 93% | -6 min |
| 2025-10 | 31 | 87% | +6 min |
| 2025-11 | 30 | 93% | -4 min |
| 2025-12 | 31 | 81% | +11 min |
| 2026-01 | 31 | 84% | -5 min |
| 2026-02 | 28 | 93% | -6 min |
| 2026-03 | 30 | 80% | +5 min |
| 2026-04 | 30 | 73% | +7 min |
| 2026-05 | 31 | 81% | +6 min |
| 2026-06 | 30 | 73% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 52 | 90% |
| Tue | 53 | 83% |
| Wed | 52 | 92% |
| Thu | 51 | 82% |
| Fri | 52 | 81% |
| Sat | 52 | 81% |
| Sun | 51 | 78% |
WN flight numbers on DSM → LAS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…