Flight OddsSTL → JAX Southwest Airlines
Southwest Airlines · St. Louis, MO to Jacksonville, FL · 530 flights, 2025-07-01 to 2026-06-30 · aggregated across 23 flight numbers
On-time arrival
80%
Median delay
-4 min
90th percentile
+37 min
Cancellation rate
0%
How on-time is Southwest Airlines from STL to JAX?
Across every Southwest Airlines flight number on STL → JAX (530 flights, 2025-07-01 to 2026-06-30), 80% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +37 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 425 | 80% |
| 16-30 min | 40 | 8% |
| 31-60 min | 38 | 7% |
| 61-120 min | 13 | 2% |
| 2+ hrs | 13 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 62 | 77% | +9 min |
| 2025-08 | 57 | 82% | +8 min |
| 2025-09 | 56 | 80% | +2 min |
| 2025-10 | 57 | 79% | +7 min |
| 2025-11 | 54 | 87% | -2 min |
| 2025-12 | 58 | 83% | +5 min |
| 2026-01 | 18 | 67% | +16 min |
| 2026-02 | 19 | 89% | -2 min |
| 2026-03 | 32 | 72% | +17 min |
| 2026-04 | 37 | 78% | +5 min |
| 2026-05 | 41 | 76% | +11 min |
| 2026-06 | 38 | 87% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 75 | 75% |
| Tue | 72 | 88% |
| Wed | 70 | 84% |
| Thu | 75 | 80% |
| Fri | 75 | 87% |
| Sat | 74 | 73% |
| Sun | 88 | 77% |
WN flight numbers on STL → JAX
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…