Measured from flights observed on Cheongju’s own departure and arrival boards over the last 14 days. Every route below carries its observed weekly frequency.
All CJJ 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 Cheongju
12 of the 12 destinations above also fly nonstop into Cheongju, so the table covers both directions of each route. Each route row links to its own route page with the paired schedule history.
CJJ route map: where 12 nonstop routes go

CJJ direct flights: questions travelers ask
How many direct flights does Cheongju have?
Cheongju International Airport/Cheongju Air Base (K-59/G-513) currently has nonstop service to 12 destinations on 10 airlines, based on flights observed on the airport's own boards over the last 14 days. 12 of those routes operate in both directions.
Which airline flies the most nonstop routes from Cheongju?
Aero K appears on 9 of the 12 nonstop routes we observed at CJJ. The airline column in the route ledger lists every carrier observed on each route.
Where does this data come from?
From Cheongju International Airport/Cheongju Air Base (K-59/G-513)'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: Cheongju (CJJ) nonstop network and route reliability, measured from official airport boards.
https://proflightsearch.com/direct-flights/cheongju-CJJ
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