Flights AS2147 08:25 daily · AS2353 15:58 daily · AS2457 20:56 daily
Direct flights from Seattle (SEA) to Billings (BIL): 21 nonstop departures observed each week across 1 airline. 85% of the last 20 tracked flights arrived within 15 minutes of schedule. The median arrival is 11 minutes early. No cancellations were recorded across the 20 tracked flights. The nonstop covers 1,065 km, an estimated 1 hour 52 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Billings. Updated 30 October 2026 at 16:22 UTC.
Today, SEA → BIL
Fri 30 Oct · local times- 08:25 AS2147Alaska Departed BIL est. 11:23In the air · sched 11:25
- 15:58 AS2353Alaska On scheduleGate C2G ·
- 20:56 AS2457Alaska On scheduleGate C16D ·
Checked SEA board 09:22 · BIL board 10:03
of the last 20 tracked SEA → BIL flights arrived within 15 minutes
Median arrival delay is −11 min. 0 of 20 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →
The week
scheduled departures · origin local timeEach mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.
Who flies it
observed on the boards · 7 daysHistory
operated legs · board outcomesActual board outcomes rather than schedules, paired departure and arrival per flight and day.
Full board history, day by day →
Airports right now
live boardsWeather lens
Conditions are tightest at BIL: a 56% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +120 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →
next sweep in 120s
How the Seattle to Billings route actually runs
Pro Flight Search records official board updates for nonstop SEA to BIL flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.
Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: Seattle (SEA) to Billings (BIL) route reliability, measured from operated flights on official airport boards.
https://proflightsearch.com/search-flights/SEA-BIL
SEA to BIL questions
Is SEA–BIL running on time right now?
Significant delay risk. Both endpoints currently score the same, route health score 50/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SEA–BIL?
Operators schedule morning departures around 08:25 and evening departures around 20:56 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BIL delay card to confirm conditions when you'd arrive.
How long is the flight from SEA to BIL?
Great-circle distance is 1,065 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 105–121 min gate-to-gate on this route.
How often does SEA–BIL fly?
Alaska Airlines runs the route with about 21 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.