About 1 in 2 AS 2352 flights from Boise arrived 15+ minutes late, diverted or cancelled over the past year (43%); 1.9% were cancelled. The typical flight landed 5 minutes late.
AS 2352: BOI → SEA
Scheduled to leave Boise at 8:47 p.m. local time, operated by Horizon Air as QX 2352. Over the past year it arrived on time 57% of the time (213 flights), in line with other AS flights on the route at that hour (58%). Last seen in the data Aug 31, 2026.
Usually Alaska Airlines's last flight of the day from Boise to Seattle (100% of days). Alaska Airlines's last BOI–SEA flight was cancelled 1.1% of the time, against 0.7% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 6:23 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 36 | 58% |
| Tuesday | 26 | 65% |
| Wednesday | 26 | 54% |
| Thursday | 34 | 41% |
| Friday | 34 | 59% |
| Saturday | 26 | 77% |
| Sunday | 31 | 52% |
Why it was late
All flights BOI → SEA · Connecting off AS 2352? Check the risk
Questions
How often is AS 2352 from BOI to SEA late?
Alaska Airlines 2352 from Boise, ID to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 43% of 213 scheduled flights between September 2025 and August 2026. 1.9% were cancelled.
Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.