AA 3073 then DL 5679 at Boston
Philadelphia → Boston → Louisville
Timetable, Boston time
17:21AA 3073 from Philadelphia at the gate
09:55DL 5679 to Louisville leaves the gate
16 h 34 apart on the timetable, overnight
DL 5679 leaves 16 h 34 after AA 3073 arrives on the timetable: more than half a day, so not a connection we count.