Flight OddsCMH → STL Southwest Airlines
Southwest Airlines · Columbus, OH to St. Louis, MO · 672 flights, 2025-07-01 to 2026-06-30 · aggregated across 28 flight numbers
On-time arrival
85%
Median delay
-9 min
90th percentile
+34 min
Cancellation rate
1%
How on-time is Southwest Airlines from CMH to STL?
Across every Southwest Airlines flight number on CMH → STL (672 flights, 2025-07-01 to 2026-06-30), 85% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +34 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 565 | 85% |
| 16-30 min | 28 | 4% |
| 31-60 min | 38 | 6% |
| 61-120 min | 20 | 3% |
| 2+ hrs | 16 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 57 | 75% | +10 min |
| 2025-08 | 55 | 91% | 0 min |
| 2025-09 | 55 | 95% | -5 min |
| 2025-10 | 57 | 89% | -6 min |
| 2025-11 | 54 | 85% | 0 min |
| 2025-12 | 57 | 82% | +3 min |
| 2026-01 | 54 | 89% | -4 min |
| 2026-02 | 52 | 81% | +7 min |
| 2026-03 | 58 | 74% | +16 min |
| 2026-04 | 56 | 86% | +0 min |
| 2026-05 | 56 | 82% | +4 min |
| 2026-06 | 56 | 88% | +0 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 104 | 80% |
| Tue | 106 | 89% |
| Wed | 102 | 91% |
| Thu | 102 | 83% |
| Fri | 102 | 86% |
| Sat | 52 | 81% |
| Sun | 99 | 81% |
WN flight numbers on CMH → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…