About 1 in 4 AS 2366 flights from Pasco arrived 15+ minutes late, diverted or cancelled over the past year (25%); 1.4% were cancelled. The typical flight landed 0 minutes early.
AS 2366: PSC → SEA
Scheduled to leave Pasco at 6:04 p.m. local time, operated by Horizon Air as QX 2366. Over the past year it arrived on time 75% of the time (147 flights), in line with other AS flights on the route at that hour (73%). Last seen in the data Aug 18, 2026.
Usually Alaska Airlines's last flight of the day from Pasco to Seattle (90% of days). Alaska Airlines's last PSC–SEA flight was cancelled 1.1% of the time, against 1.7% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 6:15 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 21 | 76% |
| Tuesday | 21 | 71% |
| Wednesday | 19 | — |
| Thursday | 21 | 76% |
| Friday | 21 | 67% |
| Saturday | 21 | 95% |
| Sunday | 23 | 74% |
Why it was late
All flights PSC → SEA · Connecting off AS 2366? Check the risk
Questions
How often is AS 2366 from PSC to SEA late?
Alaska Airlines 2366 from Pasco/Kennewick/Richland, WA to Seattle, WA arrived 15 or more minutes late, was diverted or was cancelled on 25% of 147 scheduled flights between September 2025 and August 2026. 1.4% 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.