About 1 in 12 AS 2172 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (8%); 2.8% were cancelled. The typical flight landed 7 minutes early.
AS 2172: SEA → YKM
Scheduled to leave Seattle at 11:10 p.m. local time, operated by Horizon Air as QX 2172. Over the past year it arrived on time 92% of the time (289 flights), better than other AS flights on the route at that hour (88%). Last seen in the data Aug 31, 2026.
Usually Alaska Airlines's last flight of the day from Seattle to Yakima (100% of days). Alaska Airlines's last SEA–YKM flight was cancelled 2.5% of the time, against 1.1% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 12:20 p.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 43 | 95% |
| Tuesday | 41 | 93% |
| Wednesday | 41 | 90% |
| Thursday | 40 | 90% |
| Friday | 41 | 80% |
| Saturday | 41 | 98% |
| Sunday | 42 | 95% |
Why it was late
All flights SEA → YKM · Connecting off AS 2172? Check the risk
Questions
How often is AS 2172 from SEA to YKM late?
Alaska Airlines 2172 from Seattle, WA to Yakima, WA arrived 15 or more minutes late, was diverted or was cancelled on 8% of 289 scheduled flights between September 2025 and August 2026. 2.8% 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.