DL 5641 then B6 369 at Boston
Cleveland → Boston → Fort Lauderdale
Timetable, Boston time
20:00DL 5641 from Cleveland at the gate
17:25B6 369 to Fort Lauderdale leaves the gate
21 h 25 apart on the timetable, overnight
B6 369 leaves 21 h 25 after DL 5641 arrives on the timetable: more than half a day, so not a connection we count.