Flight OddsDEN → MDW Southwest Airlines
Southwest Airlines · Denver, CO to Chicago, IL · 2,218 flights, 2025-07-01 to 2026-06-30 · aggregated across 103 flight numbers
On-time arrival
75%
Median delay
-1 min
90th percentile
+48 min
Cancellation rate
2%
How on-time is Southwest Airlines from DEN to MDW?
Across every Southwest Airlines flight number on DEN → MDW (2,218 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +48 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,621 | 75% |
| 16-30 min | 195 | 9% |
| 31-60 min | 181 | 8% |
| 61-120 min | 110 | 5% |
| 2+ hrs | 57 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 267 | 68% | +21 min |
| 2025-08 | 205 | 68% | +17 min |
| 2025-09 | 194 | 79% | +7 min |
| 2025-10 | 198 | 83% | +2 min |
| 2025-11 | 156 | 85% | +3 min |
| 2025-12 | 182 | 72% | +11 min |
| 2026-01 | 151 | 87% | -2 min |
| 2026-02 | 137 | 80% | +2 min |
| 2026-03 | 162 | 72% | +13 min |
| 2026-04 | 155 | 76% | +6 min |
| 2026-05 | 161 | 76% | +11 min |
| 2026-06 | 196 | 61% | +20 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 336 | 73% |
| Tue | 310 | 81% |
| Wed | 294 | 83% |
| Thu | 322 | 70% |
| Fri | 328 | 74% |
| Sat | 240 | 76% |
| Sun | 334 | 69% |
WN flight numbers on DEN → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…