AS2305 BOI → SEA
Alaska Airlines · Boise, ID to Seattle, WA · 154 flights observed, 2025-08-21 to 2026-03-17 · 399 mi
AS2305 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
82%
Median delay
-6 min
90th percentile
+36 min
Cancellation rate
1%
How often is AS2305 on time?
Across 154 flights on BOI → SEA from 2025-08-21 to 2026-03-17, AS2305 arrived within 15 minutes of schedule 82% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +36 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 | 124 | 82% |
| 16-30 min | 9 | 6% |
| 31-60 min | 9 | 6% |
| 61-120 min | 8 | 5% |
| 2+ hrs | 2 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 6 | 100% | -10 min |
| 2025-09 | 22 | 82% | +4 min |
| 2025-10 | 30 | 80% | +4 min |
| 2025-11 | 19 | 79% | +7 min |
| 2025-12 | 16 | 69% | +10 min |
| 2026-01 | 20 | 90% | +1 min |
| 2026-02 | 24 | 92% | -8 min |
| 2026-03 | 15 | 67% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 24 | 67% |
| Tue | 26 | 88% |
| Wed | 24 | 88% |
| Thu | 26 | 85% |
| Fri | 18 | 78% |
| Sat | 15 | 93% |
| Sun | 19 | 74% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…