CA 1568 then KE 852 at Beijing
Wenzhou → Beijing → Seoul Incheon
Timetable, Beijing time
15:15CA 1568 from Wenzhou at the gate
10:40KE 852 to Seoul Incheon leaves the gate
19 h 25 apart on the timetable, overnight
KE 852 leaves 19 h 25 after CA 1568 arrives on the timetable: more than half a day, so not a connection we count.