Flight OddsAS647 SEA → STL
Alaska Airlines · Seattle, WA to St. Louis, MO · 49 flights observed, 2026-05-13 to 2026-06-30 · 1,709 mi
AS647 covers more than one route in the data window — the stats below are for SEA → STL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-8 min
90th percentile
+32 min
Cancellation rate
0%
How often is AS647 on time?
Across 49 flights on SEA → STL from 2026-05-13 to 2026-06-30, AS647 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +32 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 | 42 | 86% |
| 16-30 min | 1 | 2% |
| 31-60 min | 5 | 10% |
| 61-120 min | 1 | 2% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-05 | 19 | 79% | -1 min |
| 2026-06 | 30 | 90% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 71% |
| Tue | 7 | 71% |
| Wed | 7 | 86% |
| Thu | 7 | 86% |
| Fri | 7 | 100% |
| Sat | 7 | 86% |
| Sun | 7 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…