AA 5430 then AA 5834 at Charlotte
Dayton → Charlotte → Roanoke
Timetable, Charlotte time
08:20AA 5430 from Dayton at the gate
20:22AA 5834 to Roanoke leaves the gate
12 h 02 apart on the timetable
AA 5834 leaves 12 h 02 after AA 5430 arrives on the timetable: more than half a day, so not a connection we count.