DL 1716 then AA 4047 at O'Hare
Detroit → Chicago → Richmond
Timetable, Chicago time
13:59DL 1716 from Detroit at the gate
13:50AA 4047 to Richmond leaves the gate
23 h 51 apart on the timetable, overnight
AA 4047 leaves 23 h 51 after DL 1716 arrives on the timetable: more than half a day, so not a connection we count.