CA 1330 then KE 852 at Beijing
Guangzhou → Beijing → Seoul Incheon
Timetable, Beijing time
13:45CA 1330 from Guangzhou at the gate
10:40KE 852 to Seoul Incheon leaves the gate
20 h 55 apart on the timetable, overnight
KE 852 leaves 20 h 55 after CA 1330 arrives on the timetable: more than half a day, so not a connection we count.