CX 392 then KE 852 at Beijing
Hong Kong → Beijing → Seoul Incheon
Timetable, Beijing time
17:20CX 392 from Hong Kong at the gate
10:40KE 852 to Seoul Incheon leaves the gate
17 h 20 apart on the timetable, overnight
KE 852 leaves 17 h 20 after CX 392 arrives on the timetable: more than half a day, so not a connection we count.