Flight OddsAS3321 SEA → BOI
Alaska Airlines · Seattle, WA to Boise, ID · 56 flights observed, 2025-07-01 to 2025-09-27 · 399 mi
AS3321 covers more than one route in the data window — the stats below are for SEA → BOI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
+3 min
90th percentile
+44 min
Cancellation rate
0%
How often is AS3321 on time?
Across 56 flights on SEA → BOI from 2025-07-01 to 2025-09-27, AS3321 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +44 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 | 75% |
| 16-30 min | 6 | 11% |
| 31-60 min | 4 | 7% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 77% | +11 min |
| 2025-08 | 21 | 67% | +10 min |
| 2025-09 | 4 | 100% | -5 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 7 | 86% |
| Tue | 8 | 38% |
| Wed | 7 | 57% |
| Thu | 7 | 86% |
| Fri | 7 | 86% |
| Sat | 13 | 85% |
| Sun | 7 | 86% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…