CA 1380 then KE 852 at Beijing
Guangzhou → Beijing → Seoul Incheon
Timetable, Beijing time
12:40CA 1380 from Guangzhou at the gate
10:40KE 852 to Seoul Incheon leaves the gate
22 h apart on the timetable, overnight
KE 852 leaves 22 h after CA 1380 arrives on the timetable: more than half a day, so not a connection we count.