Alaska AirlinesAS
live
Direct flights from Seattle (SEA) to Seattle (BFI): 4 nonstop departures observed each week across 3 airlines. The nonstop covers 9 km, an estimated 31 minutes in the air. Measured by Pro Flight Search from live flight boards at Seattle and Seattle. Updated 11 September 2026 at 21:33 UTC.
SEA
Seattle
busy · +17
BFI
Seattle
tracking
9 km · ~0h 31m est.
Running clean · 3 airlines · 4x weekly · nonstop
78 / 100
route health from live SEA and BFI delay boards
Flight time~0h 31mestimated from route distance
Weekly departures4x3 direct airlines on the leg
The week
scheduled departures · origin local time06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesSun Country AirlinesUnited Airlines
Each 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 daysAirports right now
live boardsnext sweep in 120s
How the Seattle to Seattle route actually runs
Pro Flight Search records official board updates for nonstop SEA to BFI 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
Cite this data
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Suggested citation
Pro Flight Search — Seattle (SEA) to Seattle (BFI) route reliability, measured from operated flights on official airport boards.
Canonical URL
How we measure this →
https://proflightsearch.com/search-flights/SEA-BFI
SEA to BFI questions
Is SEA–BFI running on time right now?
Mostly on schedule. The departure side at SEA is the weaker end, route health score 78/100. The airports section above carries the live status and delay window at both ends.
Morning or evening flight on SEA–BFI?
Operators schedule morning departures around 06:00 from SEA. Earlier flights typically land before destination-airport delays accumulate later in the day; check the BFI delay card to confirm conditions when you'd arrive.
How long is the flight from SEA to BFI?
Great-circle distance is 9 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 31–31 min gate-to-gate on this route.
How often does SEA–BFI fly?
3 carriers operate this route, around 5 flights a week between them. Compare carrier days and times in the airline list above.
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