Flight OddsDAL → MDW Southwest Airlines
Southwest Airlines · Dallas, TX to Chicago, IL · 2,154 flights, 2025-07-01 to 2026-06-30 · aggregated across 133 flight numbers
On-time arrival
71%
Median delay
+1 min
90th percentile
+55 min
Cancellation rate
2%
How on-time is Southwest Airlines from DAL to MDW?
Across every Southwest Airlines flight number on DAL → MDW (2,154 flights, 2025-07-01 to 2026-06-30), 71% arrived within 15 minutes of schedule. Median arrival delay +1 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 | 1,499 | 71% |
| 16-30 min | 220 | 10% |
| 31-60 min | 200 | 10% |
| 61-120 min | 122 | 6% |
| 2+ hrs | 60 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 196 | 66% | +21 min |
| 2025-08 | 192 | 72% | +14 min |
| 2025-09 | 190 | 78% | +8 min |
| 2025-10 | 194 | 80% | +9 min |
| 2025-11 | 166 | 73% | +11 min |
| 2025-12 | 189 | 74% | +11 min |
| 2026-01 | 147 | 78% | +7 min |
| 2026-02 | 134 | 84% | +4 min |
| 2026-03 | 168 | 62% | +21 min |
| 2026-04 | 168 | 71% | +12 min |
| 2026-05 | 169 | 64% | +18 min |
| 2026-06 | 188 | 56% | +23 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 323 | 69% |
| Tue | 310 | 78% |
| Wed | 303 | 77% |
| Thu | 317 | 68% |
| Fri | 315 | 70% |
| Sat | 226 | 72% |
| Sun | 307 | 67% |
WN flight numbers on DAL → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…