About 1 in 10 AS 2457 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (10%); 1.0% were cancelled. The typical flight landed 12 minutes early.
AS 2457: SEA → BIL
Scheduled to leave Seattle at 9:15 p.m. local time, operated by Horizon Air as QX 2457. Over the past year it arrived on time 90% of the time (314 flights), in line with 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 Billings (100% of days). Alaska Airlines's last SEA–BIL flight was cancelled 0.8% of the time, against 1.1% for its earlier ones. If it's cancelled, the next Alaska Airlines flight is usually around 10:09 a.m. the next morning.
Month by month
By day of week
| Day | Flights | On time |
|---|---|---|
| Monday | 49 | 90% |
| Tuesday | 42 | 88% |
| Wednesday | 43 | 93% |
| Thursday | 46 | 91% |
| Friday | 46 | 83% |
| Saturday | 40 | 95% |
| Sunday | 48 | 92% |
Why it was late
All flights SEA → BIL · Connecting off AS 2457? Check the risk
Questions
How often is AS 2457 from SEA to BIL late?
Alaska Airlines 2457 from Seattle, WA to Billings, MT arrived 15 or more minutes late, was diverted or was cancelled on 10% of 314 scheduled flights between September 2025 and August 2026. 1.0% 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.