Measured from flights observed on Ulsan’s own departure and arrival boards over the last 14 days. Every route below carries its observed weekly frequency.
All USN 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.
Schedule
Schedule
Nonstop flights into Ulsan
2 of the 2 destinations above also fly nonstop into Ulsan, so the table covers both directions of each route. Each route row links to its own route page with the paired schedule history.
USN route map: where 2 nonstop routes go
USN direct flights: questions travelers ask
How many direct flights does Ulsan have?
Ulsan Airport currently has nonstop service to 2 destinations on 3 airlines, based on flights observed on the airport's own boards over the last 14 days. 2 of those routes operate in both directions.
Which airline flies the most nonstop routes from Ulsan?
대한항공 appears on 2 of the 2 nonstop routes we observed at USN. The airline column in the route ledger lists every carrier observed on each route.
Where does this data come from?
From Ulsan Airport'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: Ulsan (USN) nonstop network and route reliability, measured from official airport boards.
https://proflightsearch.com/direct-flights/ulsan-USN
Planning around USN? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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