OPS Watch · 76,723 legs measured · last 90 days · 3 routes outbound only · 1 route inbound only
Measured from flights observed on Seoul Incheon’s own departure and arrival boards over the last 14 days. Every route below carries its observed weekly frequency, and 165 routes with enough history show how reliably they actually run: on-time share and cancellation rate from the last 90 days. Right now departures are +21 min.
All ICN 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 Seoul Incheon
163 of the 167 destinations above also fly nonstop into Seoul Incheon, so the table covers both directions of each route. Inbound arrival times and live status are on the arrivals board, and each route row links to its own route page with the paired schedule history.
3 routes appeared outbound only in the observed window; 1 route appears inbound only. These are usually seasonal charter rotations or positioning patterns that the boards record separately.
ICN route map: where 167 nonstop routes go

ICN direct flights: questions travelers ask
How many direct flights does Seoul Incheon have?
Incheon International Airport currently has nonstop service to 167 destinations on 82 airlines, based on flights observed on the airport's own boards over the last 14 days. 163 of those routes operate in both directions.
Which direct route from Seoul Incheon is most reliable?
Among routes with at least 20 observed legs in the last 90 days, Anchorage (ANC) runs cleanest: 100% of flights within 15 minutes of schedule with a 4.2% cancellation rate.
Which airline flies the most nonstop routes from Seoul Incheon?
KOREAN AIRLINES appears on 88 of the 167 nonstop routes we observed at ICN. The airline column in the route ledger lists every carrier observed on each route.
Where does this data come from?
From Incheon International 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: Seoul Incheon (ICN) nonstop network and route reliability, measured from official airport boards.
https://proflightsearch.com/direct-flights/seoul-ICN
Planning around ICN? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure