DL 5761 then DL 5679 at Boston
New York LaGuardia → Boston → Louisville
Timetable, Boston time
13:21DL 5761 from New York LaGuardia at the gate
09:55DL 5679 to Louisville leaves the gate
20 h 34 apart on the timetable, overnight
DL 5679 leaves 20 h 34 after DL 5761 arrives on the timetable: more than half a day, so not a connection we count.