Flight OddsJAX → STL Southwest Airlines
Southwest Airlines · Jacksonville, FL to St. Louis, MO · 530 flights, 2025-07-01 to 2026-06-30 · aggregated across 22 flight numbers
On-time arrival
89%
Median delay
-10 min
90th percentile
+22 min
Cancellation rate
0%
How on-time is Southwest Airlines from JAX to STL?
Across every Southwest Airlines flight number on JAX → STL (530 flights, 2025-07-01 to 2026-06-30), 89% arrived within 15 minutes of schedule. Median arrival delay -10 min; the worst 10% ran +22 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 467 | 89% |
| 16-30 min | 21 | 4% |
| 31-60 min | 18 | 3% |
| 61-120 min | 11 | 2% |
| 2+ hrs | 10 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 62 | 77% | +12 min |
| 2025-08 | 57 | 82% | +2 min |
| 2025-09 | 56 | 95% | -8 min |
| 2025-10 | 57 | 93% | -3 min |
| 2025-11 | 54 | 94% | -5 min |
| 2025-12 | 58 | 88% | -4 min |
| 2026-01 | 18 | 89% | +5 min |
| 2026-02 | 19 | 100% | -11 min |
| 2026-03 | 31 | 94% | -4 min |
| 2026-04 | 36 | 92% | -3 min |
| 2026-05 | 41 | 93% | -9 min |
| 2026-06 | 38 | 76% | +9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 74 | 88% |
| Tue | 71 | 92% |
| Wed | 70 | 91% |
| Thu | 75 | 88% |
| Fri | 75 | 89% |
| Sat | 74 | 92% |
| Sun | 88 | 82% |
WN flight numbers on JAX → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…