Flight OddsAS3321 BOI → SEA
Alaska Airlines · Boise, ID to Seattle, WA · 51 flights observed, 2025-08-20 to 2025-10-24 · 399 mi
AS3321 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
86%
Median delay
-10 min
90th percentile
+56 min
Cancellation rate
2%
How often is AS3321 on time?
Across 51 flights on BOI → SEA from 2025-08-20 to 2025-10-24, AS3321 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +56 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 43 | 86% |
| 16-30 min | 0 | 0% |
| 31-60 min | 2 | 4% |
| 61-120 min | 5 | 10% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 10 | 100% | -11 min |
| 2025-09 | 25 | 76% | +8 min |
| 2025-10 | 15 | 93% | -4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 89% |
| Tue | 6 | 67% |
| Wed | 7 | 86% |
| Thu | 9 | 100% |
| Fri | 10 | 90% |
| Sat | No data | — |
| Sun | 9 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…