DL 5653 then DL 973 at Boston
Columbus (Ohio) → Boston → Atlanta
Timetable, Boston time
19:42DL 5653 from Columbus (Ohio) at the gate
19:25DL 973 to Atlanta leaves the gate
23 h 43 apart on the timetable, overnight
DL 973 leaves 23 h 43 after DL 5653 arrives on the timetable: more than half a day, so not a connection we count.