DL 5641 then DL 5679 at Boston
Cleveland → Boston → Louisville
Timetable, Boston time
20:00DL 5641 from Cleveland at the gate
09:55DL 5679 to Louisville leaves the gate
13 h 55 apart on the timetable, overnight
DL 5679 leaves 13 h 55 after DL 5641 arrives on the timetable: more than half a day, so not a connection we count.