DL 5641 then B6 269 at Boston
Cleveland → Boston → Fort Lauderdale
Timetable, Boston time
20:00DL 5641 from Cleveland at the gate
15:55B6 269 to Fort Lauderdale leaves the gate
19 h 55 apart on the timetable, overnight
B6 269 leaves 19 h 55 after DL 5641 arrives on the timetable: more than half a day, so not a connection we count.