AA 5838 then AA 6051 at Charlotte
Florence → Charlotte → Harrisburg
Timetable, Charlotte time
06:12AA 5838 from Florence at the gate
19:02AA 6051 to Harrisburg leaves the gate
12 h 50 apart on the timetable
AA 6051 leaves 12 h 50 after AA 5838 arrives on the timetable: more than half a day, so not a connection we count.