AA 1266 then AA 5416 at Charlotte
Myrtle Beach → Charlotte → Atlanta (ATL)
Timetable, Charlotte time
12:11AA 1266 from Myrtle Beach at the gate
10:29AA 5416 to Atlanta (ATL) leaves the gate
22 h 18 apart on the timetable, overnight
AA 5416 leaves 22 h 18 after AA 1266 arrives on the timetable: more than half a day, so not a connection we count.