AA 6486 then AA 3356 at O'Hare
Detroit → Chicago → Memphis
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
11:55AA 3356 to Memphis leaves the gate
18 h 26 apart on the timetable, overnight
AA 3356 leaves 18 h 26 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.