BR 646 then K4 524 at O'Hare
Anchorage → Chicago → Seoul
Timetable, Chicago time
10:40BR 646 from Anchorage at the gate
22:45K4 524 to Seoul leaves the gate
12 h 05 apart on the timetable
K4 524 leaves 12 h 05 after BR 646 arrives on the timetable: more than half a day, so not a connection we count.