AA 6486 then AA 5316 at O'Hare
Detroit → Chicago → Louisville
Timetable, Chicago time
17:29AA 6486 from Detroit at the gate
10:11AA 5316 to Louisville leaves the gate
16 h 42 apart on the timetable, overnight
AA 5316 leaves 16 h 42 after AA 6486 arrives on the timetable: more than half a day, so not a connection we count.