KE 852 then AS 120 at Incheon
Beijing Capital → Seoul → Seattle
Timetable, Seoul time
21:55KE 852 from Beijing Capital at the gate
20:00AS 120 to Seattle leaves the gate
22 h 05 apart on the timetable, overnight
AS 120 leaves 22 h 05 after KE 852 arrives on the timetable: more than half a day, so not a connection we count.