Flight OddsAS615 SEA → STL
Alaska Airlines · Seattle, WA to St. Louis, MO · 103 flights observed, 2026-02-12 to 2026-06-30 · 1,709 mi
AS615 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
90%
Median delay
-16 min
90th percentile
+14 min
Cancellation rate
1%
How often is AS615 on time?
Across 103 flights on SEA → STL from 2026-02-12 to 2026-06-30, AS615 arrived within 15 minutes of schedule 90% of the time. The median arrival delay was -16 min, and the worst 10% of flights arrived +14 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 92 | 90% |
| 16-30 min | 6 | 6% |
| 31-60 min | 2 | 2% |
| 61-120 min | 1 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-02 | 10 | 90% | -16 min |
| 2026-03 | 22 | 86% | -16 min |
| 2026-04 | 21 | 100% | -19 min |
| 2026-05 | 19 | 89% | +4 min |
| 2026-06 | 30 | 87% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 88% |
| Tue | 12 | 92% |
| Wed | 12 | 92% |
| Thu | 17 | 94% |
| Fri | 15 | 87% |
| Sat | 12 | 83% |
| Sun | 17 | 94% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…