AA 5050 then DL 996 at Atlanta
Philadelphia → Atlanta → Los Angeles
Timetable, Atlanta time
14:00AA 5050 from Philadelphia at the gate
07:00DL 996 to Los Angeles leaves the gate
17 h apart on the timetable, overnight
DL 996 leaves 17 h after AA 5050 arrives on the timetable: more than half a day, so not a connection we count.