Flight OddsCLT → STL Southwest Airlines
Southwest Airlines · Charlotte, NC to St. Louis, MO · 264 flights, 2025-07-01 to 2026-06-30 · aggregated across 21 flight numbers
On-time arrival
83%
Median delay
-4 min
90th percentile
+40 min
Cancellation rate
1%
How on-time is Southwest Airlines from CLT to STL?
Across every Southwest Airlines flight number on CLT → STL (264 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -4 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 | 216 | 83% |
| 16-30 min | 17 | 7% |
| 31-60 min | 10 | 4% |
| 61-120 min | 12 | 5% |
| 2+ hrs | 6 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 70% | +22 min |
| 2025-08 | 31 | 81% | +13 min |
| 2025-09 | 30 | 83% | +3 min |
| 2025-10 | 27 | 85% | +2 min |
| 2025-11 | 27 | 74% | +8 min |
| 2025-12 | 29 | 83% | +4 min |
| 2026-01 | 25 | 92% | +6 min |
| 2026-02 | 27 | 85% | +0 min |
| 2026-03 | 4 | 100% | -2 min |
| 2026-04 | 3 | 67% | +10 min |
| 2026-05 | 5 | 100% | -8 min |
| 2026-06 | 23 | 91% | +1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 38 | 79% |
| Tue | 41 | 88% |
| Wed | 39 | 87% |
| Thu | 38 | 71% |
| Fri | 39 | 85% |
| Sat | 21 | 90% |
| Sun | 45 | 82% |
WN flight numbers on CLT → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…