DL 5641 then DL 2677 at Boston
Cleveland → Boston → Nashville
Timetable, Boston time
19:35DL 5641 from Cleveland at the gate
14:45DL 2677 to Nashville leaves the gate
19 h 10 apart on the timetable, overnight
DL 2677 leaves 19 h 10 after DL 5641 arrives on the timetable: more than half a day, so not a connection we count.