AA 4103 then DL 1147 at O'Hare
Detroit → Chicago → Atlanta
Timetable, Chicago time
11:00AA 4103 from Detroit at the gate
10:32DL 1147 to Atlanta leaves the gate
23 h 32 apart on the timetable, overnight
DL 1147 leaves 23 h 32 after AA 4103 arrives on the timetable: more than half a day, so not a connection we count.