AA 5456 then DL 2823 at Atlanta
Philadelphia → Atlanta → Panama City Beach
Timetable, Atlanta time
13:00AA 5456 from Philadelphia at the gate
12:32DL 2823 to Panama City Beach leaves the gate
23 h 32 apart on the timetable, overnight
DL 2823 leaves 23 h 32 after AA 5456 arrives on the timetable: more than half a day, so not a connection we count.