DL 5653 then B6 1955 at Boston
Columbus (Ohio) → Boston → Washington National
Timetable, Boston time
19:42DL 5653 from Columbus (Ohio) at the gate
17:10B6 1955 to Washington National leaves the gate
21 h 28 apart on the timetable, overnight
B6 1955 leaves 21 h 28 after DL 5653 arrives on the timetable: more than half a day, so not a connection we count.