AA 1256 then AA 3244 at Charlotte
Buffalo → Charlotte → Myrtle Beach
Timetable, Charlotte time
20:55AA 1256 from Buffalo at the gate
15:25AA 3244 to Myrtle Beach leaves the gate
18 h 30 apart on the timetable, overnight
AA 3244 leaves 18 h 30 after AA 1256 arrives on the timetable: more than half a day, so not a connection we count.