DL 5653 then DL 5665 at Boston
Columbus (Ohio) → Boston → Richmond
Timetable, Boston time
19:42DL 5653 from Columbus (Ohio) at the gate
15:20DL 5665 to Richmond leaves the gate
19 h 38 apart on the timetable, overnight
DL 5665 leaves 19 h 38 after DL 5653 arrives on the timetable: more than half a day, so not a connection we count.