AA 6486 then DL 5327 at O'Hare
Detroit → Chicago → Detroit
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
11:19DL 5327 to Detroit leaves the gate
17 h 50 apart on the timetable, overnight
DL 5327 leaves 17 h 50 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.