CV 12 then K4 706 at O'Hare
Anchorage → Chicago → Seoul
Timetable, Chicago time
19:11CV 12 from Anchorage at the gate
16:00K4 706 to Seoul leaves the gate
20 h 49 apart on the timetable, overnight
K4 706 leaves 20 h 49 after CV 12 arrives on the timetable: more than half a day, so not a connection we count.