Flight OddsAS345 BOI → SEA
Alaska Airlines · Boise, ID to Seattle, WA · 195 flights observed, 2025-10-26 to 2026-05-12 · 399 mi
AS345 covers more than one route in the data window — the stats below are for BOI → SEA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
89%
Median delay
-6 min
90th percentile
+17 min
Cancellation rate
1%
How often is AS345 on time?
Across 195 flights on BOI → SEA from 2025-10-26 to 2026-05-12, AS345 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +17 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 | 172 | 89% |
| 16-30 min | 15 | 8% |
| 31-60 min | 3 | 2% |
| 61-120 min | 2 | 1% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 67% | +1 min |
| 2025-11 | 29 | 86% | +1 min |
| 2025-12 | 29 | 93% | -14 min |
| 2026-01 | 30 | 77% | +5 min |
| 2026-02 | 27 | 93% | -3 min |
| 2026-03 | 31 | 94% | -4 min |
| 2026-04 | 29 | 93% | -10 min |
| 2026-05 | 12 | 100% | -8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 29 | 86% |
| Tue | 29 | 97% |
| Wed | 28 | 89% |
| Thu | 24 | 71% |
| Fri | 27 | 93% |
| Sat | 27 | 89% |
| Sun | 29 | 97% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…