DL 1716 then AA 4503 at O'Hare
Detroit → Chicago → Raleigh-Durham
Timetable, Chicago time
13:59DL 1716 from Detroit at the gate
13:24AA 4503 to Raleigh-Durham leaves the gate
23 h 25 apart on the timetable, overnight
AA 4503 leaves 23 h 25 after DL 1716 arrives on the timetable: more than half a day, so not a connection we count.