Flight OddsMDW → DEN Southwest Airlines
Southwest Airlines · Chicago, IL to Denver, CO · 2,242 flights, 2025-07-01 to 2026-06-30 · aggregated across 111 flight numbers
On-time arrival
74%
Median delay
-2 min
90th percentile
+55 min
Cancellation rate
1%
How on-time is Southwest Airlines from MDW to DEN?
Across every Southwest Airlines flight number on MDW → DEN (2,242 flights, 2025-07-01 to 2026-06-30), 74% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +55 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,639 | 74% |
| 16-30 min | 194 | 9% |
| 31-60 min | 179 | 8% |
| 61-120 min | 127 | 6% |
| 2+ hrs | 70 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 275 | 65% | +24 min |
| 2025-08 | 206 | 76% | +10 min |
| 2025-09 | 193 | 87% | 0 min |
| 2025-10 | 198 | 83% | +3 min |
| 2025-11 | 161 | 83% | +3 min |
| 2025-12 | 185 | 59% | +22 min |
| 2026-01 | 153 | 82% | 0 min |
| 2026-02 | 138 | 80% | +4 min |
| 2026-03 | 164 | 68% | +19 min |
| 2026-04 | 159 | 74% | +12 min |
| 2026-05 | 162 | 77% | +6 min |
| 2026-06 | 215 | 65% | +18 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 341 | 68% |
| Tue | 315 | 78% |
| Wed | 301 | 81% |
| Thu | 331 | 70% |
| Fri | 339 | 72% |
| Sat | 242 | 79% |
| Sun | 340 | 73% |
WN flight numbers on MDW → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…