AA 4777 then DL 5679 at Boston
New York LaGuardia → Boston → Louisville
Timetable, Boston time
10:58AA 4777 from New York LaGuardia at the gate
09:55DL 5679 to Louisville leaves the gate
22 h 57 apart on the timetable, overnight
DL 5679 leaves 22 h 57 after AA 4777 arrives on the timetable: more than half a day, so not a connection we count.