AA 2062 then K4 578 at O'Hare
Dallas-Fort Worth → Chicago → Seoul
Timetable, Chicago time
14:12AA 2062 from Dallas-Fort Worth at the gate
07:40K4 578 to Seoul leaves the gate
17 h 28 apart on the timetable, overnight
K4 578 leaves 17 h 28 after AA 2062 arrives on the timetable: more than half a day, so not a connection we count.