KE 852 then KE 407 at Incheon
Beijing Capital → Seoul → Brisbane
Timetable, Seoul time
21:55KE 852 from Beijing Capital at the gate
19:40KE 407 to Brisbane leaves the gate
21 h 45 apart on the timetable, overnight
KE 407 leaves 21 h 45 after KE 852 arrives on the timetable: more than half a day, so not a connection we count.