4 routes outbound only · 5 routes inbound only
Measured from flights observed on Seattle’s own departure and arrival boards over the last 14 days. Every route below carries its observed weekly frequency.
All BFI nonstop destinations, ranked by weekly flights
One row per destination, both directions merged. On time means within 15 minutes of schedule; cancelled is the share of observed legs that never went. Routes with fewer than 20 observed legs show their leg count instead of a shaky number.
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Nonstop flights into Seattle
4 of the 13 destinations above also fly nonstop into Seattle, so the table covers both directions of each route. Each route row links to its own route page with the paired schedule history.
4 routes appeared outbound only in the observed window; 5 routes appear inbound only. These are usually seasonal charter rotations or positioning patterns that the boards record separately.
BFI route map: where 13 nonstop routes go
BFI direct flights: questions travelers ask
How many direct flights does Seattle have?
King County International Airport - Boeing Field currently has nonstop service to 13 destinations on 10 airlines, based on flights observed on the airport's own boards over the last 14 days. 4 of those routes operate in both directions.
Which airline flies the most nonstop routes from Seattle?
Alaska Airlines appears on 4 of the 13 nonstop routes we observed at BFI. The airline column in the route ledger lists every carrier observed on each route.
Where does this data come from?
From King County International Airport - Boeing Field's own departure and arrival boards, recorded continuously by Pro Flight Search. Reliability figures cover the last 90 days; the route list covers the last 14 days of observed service.
More nonstop guides
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: Seattle (BFI) nonstop network and route reliability, measured from official airport boards.
https://proflightsearch.com/direct-flights/seattle-BFI
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