AA 5436 then DL 1692 at Philadelphia
Nashville → Philadelphia → Atlanta
Timetable, Philadelphia time
17:39AA 5436 from Nashville at the gate
17:17DL 1692 to Atlanta leaves the gate
23 h 38 apart on the timetable, overnight
DL 1692 leaves 23 h 38 after AA 5436 arrives on the timetable: more than half a day, so not a connection we count.