Flight OddsMDW → PHL Southwest Airlines
Southwest Airlines · Chicago, IL to Philadelphia, PA · 1,449 flights, 2025-07-01 to 2026-06-30 · aggregated across 66 flight numbers
On-time arrival
77%
Median delay
-2 min
90th percentile
+43 min
Cancellation rate
1%
How on-time is Southwest Airlines from MDW to PHL?
Across every Southwest Airlines flight number on MDW → PHL (1,449 flights, 2025-07-01 to 2026-06-30), 77% arrived within 15 minutes of schedule. Median arrival delay -2 min; the worst 10% ran +43 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,093 | 77% |
| 16-30 min | 130 | 9% |
| 31-60 min | 114 | 8% |
| 61-120 min | 43 | 3% |
| 2+ hrs | 46 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 142 | 65% | +29 min |
| 2025-08 | 142 | 78% | +11 min |
| 2025-09 | 142 | 85% | +2 min |
| 2025-10 | 137 | 82% | +6 min |
| 2025-11 | 109 | 82% | +3 min |
| 2025-12 | 121 | 68% | +10 min |
| 2026-01 | 93 | 81% | +3 min |
| 2026-02 | 81 | 79% | +1 min |
| 2026-03 | 91 | 67% | +16 min |
| 2026-04 | 110 | 86% | 0 min |
| 2026-05 | 119 | 71% | +11 min |
| 2026-06 | 139 | 77% | +17 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 213 | 74% |
| Tue | 215 | 82% |
| Wed | 207 | 79% |
| Thu | 210 | 70% |
| Fri | 212 | 79% |
| Sat | 162 | 85% |
| Sun | 207 | 70% |
WN flight numbers on MDW → PHL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…