AA 2437 then AA 1417 at Charlotte
Pittsburgh → Charlotte → Myrtle Beach
Timetable, Charlotte time
06:39AA 2437 from Pittsburgh at the gate
18:54AA 1417 to Myrtle Beach leaves the gate
12 h 15 apart on the timetable
AA 1417 leaves 12 h 15 after AA 2437 arrives on the timetable: more than half a day, so not a connection we count.