DL 5799 then DL 5679 at Boston
Charlotte → Boston → Louisville
Timetable, Boston time
14:16DL 5799 from Charlotte at the gate
09:55DL 5679 to Louisville leaves the gate
19 h 39 apart on the timetable, overnight
DL 5679 leaves 19 h 39 after DL 5799 arrives on the timetable: more than half a day, so not a connection we count.