The busiest cargo route of Incheon Airport will see rapid traffic climb Seoul, South Korea, 2014-3-3 — /Travel PR News/ — The private Hong Kong-based airline, Hong Kong Airlines (HX) was newly recruited and will operate Incheon-Hong Kong route 3 times per week. Incheon-Hong Kong is the busiest cargo route for Incheon Airport Incheon Airport held a… Read the full press release