CA 1300 then KE 852 at Beijing
Yulin Yuyang → Beijing → Seoul Incheon
Timetable, Beijing time
17:55CA 1300 from Yulin Yuyang at the gate
10:40KE 852 to Seoul Incheon leaves the gate
16 h 45 apart on the timetable, overnight
KE 852 leaves 16 h 45 after CA 1300 arrives on the timetable: more than half a day, so not a connection we count.