AA 6486 then UA 3713 at O'Hare
Detroit → Chicago → Charleston (South Carolina)
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
14:32UA 3713 to Charleston (South Carolina) leaves the gate
21 h 03 apart on the timetable, overnight
UA 3713 leaves 21 h 03 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.