AA 3551 then K4 708 at O'Hare
Minneapolis → Chicago → Seoul
Timetable, Chicago time
12:18AA 3551 from Minneapolis at the gate
11:25K4 708 to Seoul leaves the gate
23 h 07 apart on the timetable, overnight
K4 708 leaves 23 h 07 after AA 3551 arrives on the timetable: more than half a day, so not a connection we count.