B6 752 then DL 5679 at Boston
Orlando → Boston → Louisville
Timetable, Boston time
14:25B6 752 from Orlando at the gate
09:55DL 5679 to Louisville leaves the gate
19 h 30 apart on the timetable, overnight
DL 5679 leaves 19 h 30 after B6 752 arrives on the timetable: more than half a day, so not a connection we count.