DL 5836 then DL 5679 at Boston
Norfolk → Boston → Louisville
Timetable, Boston time
12:50DL 5836 from Norfolk at the gate
09:55DL 5679 to Louisville leaves the gate
21 h 05 apart on the timetable, overnight
DL 5679 leaves 21 h 05 after DL 5836 arrives on the timetable: more than half a day, so not a connection we count.