CA 1553 then KE 852 at Beijing
Wenzhou → Beijing → Seoul Incheon
Timetable, Beijing time
18:10CA 1553 from Wenzhou at the gate
10:40KE 852 to Seoul Incheon leaves the gate
16 h 30 apart on the timetable, overnight
KE 852 leaves 16 h 30 after CA 1553 arrives on the timetable: more than half a day, so not a connection we count.