Most Frequent Domestic Air Route
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180+
daily flights
The Jeju to Seoul Gimpo route in South Korea sees over 180 daily flights, making it one of the most frequent air services in the world.
Explanation
Jeju Island is South Korea's most popular domestic tourist destination, and the 449 km route to Seoul cannot be served by rail due to the body of water separating them. Multiple airlines including Korean Air, Asiana, Jeju Air, and T'way compete on the route. The service operates almost like a bus shuttle, with departures every few minutes during peak hours.