DL 1716 then AA 1475 at O'Hare
Detroit → Chicago → Las Vegas
Timetable, Chicago time
13:59DL 1716 from Detroit at the gate
13:52AA 1475 to Las Vegas leaves the gate
23 h 53 apart on the timetable, overnight
AA 1475 leaves 23 h 53 after DL 1716 arrives on the timetable: more than half a day, so not a connection we count.