Flight OddsSAT → STL Southwest Airlines
Southwest Airlines · San Antonio, TX to St. Louis, MO · 547 flights, 2025-07-01 to 2026-06-30 · aggregated across 26 flight numbers
On-time arrival
86%
Median delay
-7 min
90th percentile
+26 min
Cancellation rate
0%
How on-time is Southwest Airlines from SAT to STL?
Across every Southwest Airlines flight number on SAT → STL (547 flights, 2025-07-01 to 2026-06-30), 86% arrived within 15 minutes of schedule. Median arrival delay -7 min; the worst 10% ran +26 min or later. 0% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 468 | 86% |
| 16-30 min | 32 | 6% |
| 31-60 min | 26 | 5% |
| 61-120 min | 13 | 2% |
| 2+ hrs | 7 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 53 | 89% | -1 min |
| 2025-08 | 47 | 91% | -6 min |
| 2025-09 | 47 | 94% | -7 min |
| 2025-10 | 53 | 91% | +1 min |
| 2025-11 | 33 | 79% | +7 min |
| 2025-12 | 40 | 85% | +0 min |
| 2026-01 | 29 | 90% | -5 min |
| 2026-02 | 27 | 89% | -4 min |
| 2026-03 | 54 | 78% | +9 min |
| 2026-04 | 56 | 89% | -4 min |
| 2026-05 | 55 | 89% | -1 min |
| 2026-06 | 52 | 67% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 88 | 83% |
| Tue | 82 | 93% |
| Wed | 78 | 92% |
| Thu | 87 | 85% |
| Fri | 89 | 84% |
| Sat | 47 | 87% |
| Sun | 75 | 76% |
WN flight numbers on SAT → STL
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…