CA 928 then KE 852 at Beijing
Osaka → Beijing → Seoul Incheon
Timetable, Beijing time
16:15CA 928 from Osaka at the gate
10:40KE 852 to Seoul Incheon leaves the gate
18 h 25 apart on the timetable, overnight
KE 852 leaves 18 h 25 after CA 928 arrives on the timetable: more than half a day, so not a connection we count.