Flight OddsAS1439 SEA → BOI
Alaska Airlines · Seattle, WA to Boise, ID · 35 flights observed, 2026-03-18 to 2026-04-21 · 399 mi
AS1439 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
74%
Median delay
-6 min
90th percentile
+36 min
Cancellation rate
0%
How often is AS1439 on time?
Across 35 flights on SEA → BOI from 2026-03-18 to 2026-04-21, AS1439 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -6 min, and the worst 10% of flights arrived +36 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 | 26 | 74% |
| 16-30 min | 2 | 6% |
| 31-60 min | 5 | 14% |
| 61-120 min | 1 | 3% |
| 2+ hrs | 1 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 14 | 79% | +9 min |
| 2026-04 | 21 | 71% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 100% |
| Tue | 5 | 80% |
| Wed | 5 | 80% |
| Thu | 5 | 60% |
| Fri | 5 | 20% |
| Sat | 5 | 80% |
| Sun | 5 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…