AA 1478 then AA 5174 at Charlotte
Houston → Charlotte → Dayton
Timetable, Charlotte time
18:30AA 1478 from Houston at the gate
18:24AA 5174 to Dayton leaves the gate
23 h 54 apart on the timetable, overnight
AA 5174 leaves 23 h 54 after AA 1478 arrives on the timetable: more than half a day, so not a connection we count.