Flight OddsSTL → MKE Southwest Airlines
Southwest Airlines · St. Louis, MO to Milwaukee, WI · 684 flights, 2025-07-01 to 2026-06-30 · aggregated across 33 flight numbers
On-time arrival
83%
Median delay
-7 min
90th percentile
+32 min
Cancellation rate
1%
How on-time is Southwest Airlines from STL to MKE?
Across every Southwest Airlines flight number on STL → MKE (684 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +32 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 564 | 83% |
| 16-30 min | 43 | 6% |
| 31-60 min | 41 | 6% |
| 61-120 min | 14 | 2% |
| 2+ hrs | 17 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 57 | 79% | +9 min |
| 2025-08 | 59 | 88% | +3 min |
| 2025-09 | 60 | 87% | -1 min |
| 2025-10 | 57 | 86% | +3 min |
| 2025-11 | 53 | 77% | +3 min |
| 2025-12 | 58 | 83% | +16 min |
| 2026-01 | 57 | 74% | +12 min |
| 2026-02 | 52 | 92% | -3 min |
| 2026-03 | 51 | 76% | +13 min |
| 2026-04 | 58 | 83% | -1 min |
| 2026-05 | 61 | 92% | -5 min |
| 2026-06 | 56 | 79% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 102 | 72% |
| Tue | 106 | 86% |
| Wed | 104 | 86% |
| Thu | 103 | 83% |
| Fri | 102 | 84% |
| Sat | 75 | 91% |
| Sun | 87 | 82% |
WN flight numbers on STL → MKE
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…