CA 1717 then KE 852 at Beijing
Hangzhou → Beijing → Seoul Incheon
Timetable, Beijing time
17:45CA 1717 from Hangzhou at the gate
10:40KE 852 to Seoul Incheon leaves the gate
16 h 55 apart on the timetable, overnight
KE 852 leaves 16 h 55 after CA 1717 arrives on the timetable: more than half a day, so not a connection we count.