DL 5641 then B6 1307 at Boston
Cleveland → Boston → Nashville
Timetable, Boston time
20:00DL 5641 from Cleveland at the gate
18:00B6 1307 to Nashville leaves the gate
22 h apart on the timetable, overnight
B6 1307 leaves 22 h after DL 5641 arrives on the timetable: more than half a day, so not a connection we count.