AA 4576 then DL 2823 at Atlanta
Washington National → Atlanta → Panama City Beach
Timetable, Atlanta time
13:03AA 4576 from Washington National at the gate
12:32DL 2823 to Panama City Beach leaves the gate
23 h 29 apart on the timetable, overnight
DL 2823 leaves 23 h 29 after AA 4576 arrives on the timetable: more than half a day, so not a connection we count.