DL 5653 then AA 2881 at Boston
Columbus (Ohio) → Boston → Washington National
Timetable, Boston time
19:42DL 5653 from Columbus (Ohio) at the gate
17:25AA 2881 to Washington National leaves the gate
21 h 43 apart on the timetable, overnight
AA 2881 leaves 21 h 43 after DL 5653 arrives on the timetable: more than half a day, so not a connection we count.