CV 21 then K4 538 at O'Hare
Anchorage → Chicago → Seoul
Timetable, Chicago time
01:25CV 21 from Anchorage at the gate
15:00K4 538 to Seoul leaves the gate
13 h 35 apart on the timetable
K4 538 leaves 13 h 35 after CV 21 arrives on the timetable: more than half a day, so not a connection we count.