DL 5706 then DL 5679 at Boston
Philadelphia → Boston → Louisville
Timetable, Boston time
18:08DL 5706 from Philadelphia at the gate
09:55DL 5679 to Louisville leaves the gate
15 h 47 apart on the timetable, overnight
DL 5679 leaves 15 h 47 after DL 5706 arrives on the timetable: more than half a day, so not a connection we count.