Flight OddsMDW → DSM Southwest Airlines
Southwest Airlines · Chicago, IL to Des Moines, IA · 228 flights, 2026-03-05 to 2026-06-30 · aggregated across 11 flight numbers
On-time arrival
71%
Median delay
-6 min
90th percentile
+55 min
Cancellation rate
2%
How on-time is Southwest Airlines from MDW to DSM?
Across every Southwest Airlines flight number on MDW → DSM (228 flights, 2026-03-05 to 2026-06-30), 71% arrived within 15 minutes of schedule. Median arrival delay -6 min; the worst 10% ran +55 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 160 | 71% |
| 16-30 min | 22 | 10% |
| 31-60 min | 21 | 9% |
| 61-120 min | 14 | 6% |
| 2+ hrs | 7 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 51 | 73% | +13 min |
| 2026-04 | 56 | 75% | +7 min |
| 2026-05 | 57 | 79% | +2 min |
| 2026-06 | 60 | 60% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 34 | 76% |
| Tue | 34 | 76% |
| Wed | 32 | 81% |
| Thu | 32 | 63% |
| Fri | 34 | 62% |
| Sat | 26 | 77% |
| Sun | 32 | 66% |
WN flight numbers on MDW → DSM
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…