DL 5653 then AA 888 at Boston
Columbus (Ohio) → Boston → Chicago O'Hare
Timetable, Boston time
19:42DL 5653 from Columbus (Ohio) at the gate
16:47AA 888 to Chicago O'Hare leaves the gate
21 h 05 apart on the timetable, overnight
AA 888 leaves 21 h 05 after DL 5653 arrives on the timetable: more than half a day, so not a connection we count.