DL 1716 then AA 2074 at O'Hare
Detroit → Chicago → Boston
Timetable, Chicago time
13:59DL 1716 from Detroit at the gate
13:37AA 2074 to Boston leaves the gate
23 h 38 apart on the timetable, overnight
AA 2074 leaves 23 h 38 after DL 1716 arrives on the timetable: more than half a day, so not a connection we count.