AA 5510 then DL 3074 at Atlanta
Washington National → Atlanta → Myrtle Beach
Timetable, Atlanta time
23:23AA 5510 from Washington National at the gate
21:40DL 3074 to Myrtle Beach leaves the gate
22 h 17 apart on the timetable, overnight
DL 3074 leaves 22 h 17 after AA 5510 arrives on the timetable: more than half a day, so not a connection we count.