Flight OddsSTL → CHS Southwest Airlines
Southwest Airlines · St. Louis, MO to Charleston, SC · 160 flights, 2025-07-01 to 2026-06-30 · aggregated across 11 flight numbers
On-time arrival
81%
Median delay
-4 min
90th percentile
+25 min
Cancellation rate
0%
How on-time is Southwest Airlines from STL to CHS?
Across every Southwest Airlines flight number on STL → CHS (160 flights, 2025-07-01 to 2026-06-30), 81% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +25 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 130 | 81% |
| 16-30 min | 19 | 12% |
| 31-60 min | 3 | 2% |
| 61-120 min | 5 | 3% |
| 2+ hrs | 3 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 74% | +8 min |
| 2025-08 | 18 | 78% | +15 min |
| 2025-09 | 17 | 94% | -2 min |
| 2025-10 | 4 | 50% | +10 min |
| 2026-03 | 4 | 75% | +5 min |
| 2026-04 | 25 | 92% | +4 min |
| 2026-05 | 31 | 77% | +2 min |
| 2026-06 | 30 | 83% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 25 | 84% |
| Tue | 18 | 94% |
| Wed | 17 | 94% |
| Thu | 25 | 64% |
| Fri | 25 | 80% |
| Sat | 22 | 86% |
| Sun | 28 | 75% |
WN flight numbers on STL → CHS
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…