AA 642 then DL 5327 at O'Hare
Dallas-Fort Worth → Chicago → Detroit
Timetable, Chicago time
13:10AA 642 from Dallas-Fort Worth at the gate
11:19DL 5327 to Detroit leaves the gate
22 h 09 apart on the timetable, overnight
DL 5327 leaves 22 h 09 after AA 642 arrives on the timetable: more than half a day, so not a connection we count.