Flight OddsDSM → DEN Southwest Airlines
Southwest Airlines · Des Moines, IA to Denver, CO · 559 flights, 2025-07-01 to 2026-06-30 · aggregated across 22 flight numbers
On-time arrival
84%
Median delay
-7 min
90th percentile
+32 min
Cancellation rate
1%
How on-time is Southwest Airlines from DSM to DEN?
Across every Southwest Airlines flight number on DSM → DEN (559 flights, 2025-07-01 to 2026-06-30), 84% arrived within 15 minutes of schedule. Median arrival delay -7 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 | 465 | 84% |
| 16-30 min | 33 | 6% |
| 31-60 min | 27 | 5% |
| 61-120 min | 15 | 3% |
| 2+ hrs | 15 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 62 | 84% | +10 min |
| 2025-08 | 61 | 77% | +13 min |
| 2025-09 | 60 | 90% | -3 min |
| 2025-10 | 32 | 91% | -7 min |
| 2025-11 | 30 | 87% | +0 min |
| 2025-12 | 31 | 84% | -3 min |
| 2026-01 | 31 | 94% | -14 min |
| 2026-02 | 28 | 93% | -9 min |
| 2026-03 | 48 | 92% | -4 min |
| 2026-04 | 55 | 91% | -5 min |
| 2026-05 | 57 | 74% | +18 min |
| 2026-06 | 60 | 67% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 81 | 84% |
| Tue | 84 | 83% |
| Wed | 82 | 82% |
| Thu | 82 | 79% |
| Fri | 81 | 88% |
| Sat | 77 | 82% |
| Sun | 68 | 90% |
WN flight numbers on DSM → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…