Flight OddsMKE → STL Southwest Airlines
Southwest Airlines · Milwaukee, WI to St. Louis, MO · 683 flights, 2025-07-01 to 2026-06-30 · aggregated across 29 flight numbers
On-time arrival
90%
Median delay
-12 min
90th percentile
+17 min
Cancellation rate
1%
How on-time is Southwest Airlines from MKE to STL?
Across every Southwest Airlines flight number on MKE → STL (683 flights, 2025-07-01 to 2026-06-30), 90% arrived within 15 minutes of schedule. Median arrival delay -12 min; the worst 10% ran +17 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 605 | 90% |
| 16-30 min | 24 | 4% |
| 31-60 min | 25 | 4% |
| 61-120 min | 11 | 2% |
| 2+ hrs | 10 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 57 | 86% | +5 min |
| 2025-08 | 59 | 90% | +1 min |
| 2025-09 | 60 | 95% | -8 min |
| 2025-10 | 57 | 96% | -8 min |
| 2025-11 | 53 | 92% | -6 min |
| 2025-12 | 58 | 84% | +2 min |
| 2026-01 | 55 | 89% | -4 min |
| 2026-02 | 52 | 98% | -16 min |
| 2026-03 | 51 | 78% | -4 min |
| 2026-04 | 57 | 95% | -9 min |
| 2026-05 | 61 | 87% | +2 min |
| 2026-06 | 55 | 84% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 101 | 88% |
| Tue | 105 | 93% |
| Wed | 104 | 88% |
| Thu | 101 | 84% |
| Fri | 102 | 88% |
| Sat | 76 | 97% |
| Sun | 86 | 90% |
WN flight numbers on MKE → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…