AA 3104 then AA 5245 at Charlotte
Miami → Charlotte → Dayton
Timetable, Charlotte time
16:21AA 3104 from Miami at the gate
15:25AA 5245 to Dayton leaves the gate
23 h 04 apart on the timetable, overnight
AA 5245 leaves 23 h 04 after AA 3104 arrives on the timetable: more than half a day, so not a connection we count.