Flight OddsDSM → MDW Southwest Airlines
Southwest Airlines · Des Moines, IA to Chicago, IL · 228 flights, 2026-03-05 to 2026-06-30 · aggregated across 10 flight numbers
On-time arrival
82%
Median delay
-14 min
90th percentile
+37 min
Cancellation rate
2%
How on-time is Southwest Airlines from DSM to MDW?
Across every Southwest Airlines flight number on DSM → MDW (228 flights, 2026-03-05 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -14 min; the worst 10% ran +37 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 183 | 82% |
| 16-30 min | 14 | 6% |
| 31-60 min | 12 | 5% |
| 61-120 min | 7 | 3% |
| 2+ hrs | 6 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 50 | 78% | +8 min |
| 2026-04 | 55 | 89% | -4 min |
| 2026-05 | 57 | 77% | +6 min |
| 2026-06 | 60 | 85% | +0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 32 | 78% |
| Tue | 34 | 85% |
| Wed | 32 | 91% |
| Thu | 33 | 73% |
| Fri | 32 | 88% |
| Sat | 26 | 81% |
| Sun | 33 | 82% |
WN flight numbers on DSM → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…