Flight OddsCHS → STL Southwest Airlines
Southwest Airlines · Charleston, SC to St. Louis, MO · 159 flights, 2025-07-01 to 2026-06-30 · aggregated across 9 flight numbers
On-time arrival
82%
Median delay
-8 min
90th percentile
+40 min
Cancellation rate
1%
How on-time is Southwest Airlines from CHS to STL?
Across every Southwest Airlines flight number on CHS → STL (159 flights, 2025-07-01 to 2026-06-30), 82% arrived within 15 minutes of schedule. Median arrival delay -8 min; the worst 10% ran +40 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 130 | 82% |
| 16-30 min | 8 | 5% |
| 31-60 min | 8 | 5% |
| 61-120 min | 9 | 6% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | +17 min |
| 2025-08 | 18 | 78% | +23 min |
| 2025-09 | 17 | 100% | -9 min |
| 2025-10 | 4 | 75% | -2 min |
| 2026-03 | 4 | 75% | +6 min |
| 2026-04 | 25 | 96% | -9 min |
| 2026-05 | 29 | 79% | 0 min |
| 2026-06 | 30 | 73% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 75% |
| Tue | 18 | 94% |
| Wed | 17 | 88% |
| Thu | 25 | 80% |
| Fri | 24 | 75% |
| Sat | 22 | 95% |
| Sun | 28 | 75% |
WN flight numbers on CHS → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…