AA 5638 then AA 5435 at Charlotte
Harrisburg → Charlotte → Dayton
Timetable, Charlotte time
06:46AA 5638 from Harrisburg at the gate
19:16AA 5435 to Dayton leaves the gate
12 h 30 apart on the timetable
AA 5435 leaves 12 h 30 after AA 5638 arrives on the timetable: more than half a day, so not a connection we count.