Flight OddsWN644 SAT → STL
Southwest Airlines · San Antonio, TX to St. Louis, MO · 22 flights observed, 2025-11-02 to 2026-01-05 · 786 mi
WN644 covers more than one route in the data window — the stats below are for SAT → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-3 min
90th percentile
+80 min
Cancellation rate
0%
How often is WN644 on time?
Across 22 flights on SAT → STL from 2025-11-02 to 2026-01-05, WN644 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -3 min, and the worst 10% of flights arrived +80 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 17 | 77% |
| 16-30 min | 1 | 5% |
| 31-60 min | 1 | 5% |
| 61-120 min | 2 | 9% |
| 2+ hrs | 1 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-11 | 15 | 67% | +24 min |
| 2025-12 | 6 | 100% | -3 min |
| 2026-01 | 1 | 100% | -24 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 67% |
| Tue | No data | — |
| Wed | No data | — |
| Thu | 3 | 100% |
| Fri | 5 | 100% |
| Sat | 4 | 100% |
| Sun | 7 | 43% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…