Flight OddsSDF → MDW Southwest Airlines
Southwest Airlines · Louisville, KY to Chicago, IL · 989 flights, 2025-07-01 to 2026-06-30 · aggregated across 56 flight numbers
On-time arrival
85%
Median delay
-9 min
90th percentile
+32 min
Cancellation rate
2%
How on-time is Southwest Airlines from SDF to MDW?
Across every Southwest Airlines flight number on SDF → MDW (989 flights, 2025-07-01 to 2026-06-30), 85% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +32 min or later. 2% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 816 | 85% |
| 16-30 min | 45 | 5% |
| 31-60 min | 57 | 6% |
| 61-120 min | 29 | 3% |
| 2+ hrs | 17 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 99 | 78% | +11 min |
| 2025-08 | 89 | 91% | -6 min |
| 2025-09 | 86 | 94% | -10 min |
| 2025-10 | 87 | 85% | +0 min |
| 2025-11 | 73 | 90% | -4 min |
| 2025-12 | 78 | 78% | +5 min |
| 2026-01 | 60 | 85% | +1 min |
| 2026-02 | 56 | 95% | -4 min |
| 2026-03 | 83 | 77% | +13 min |
| 2026-04 | 86 | 81% | +2 min |
| 2026-05 | 83 | 84% | +1 min |
| 2026-06 | 84 | 81% | +5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 143 | 84% |
| Tue | 145 | 87% |
| Wed | 142 | 86% |
| Thu | 148 | 79% |
| Fri | 144 | 87% |
| Sat | 103 | 87% |
| Sun | 139 | 83% |
WN flight numbers on SDF → MDW
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…