DL 5641 then DL 2305 at Boston
Cleveland → Boston → Dallas-Fort Worth
Timetable, Boston time
19:35DL 5641 from Cleveland at the gate
19:30DL 2305 to Dallas-Fort Worth leaves the gate
23 h 55 apart on the timetable, overnight
DL 2305 leaves 23 h 55 after DL 5641 arrives on the timetable: more than half a day, so not a connection we count.