AA 5079 then DL 1481 at Atlanta
Philadelphia → Atlanta → Louisville
Timetable, Atlanta time
10:52AA 5079 from Philadelphia at the gate
10:35DL 1481 to Louisville leaves the gate
23 h 43 apart on the timetable, overnight
DL 1481 leaves 23 h 43 after AA 5079 arrives on the timetable: more than half a day, so not a connection we count.