AA 2354 then AA 5174 at Charlotte
Fort Lauderdale → Charlotte → Dayton
Timetable, Charlotte time
19:29AA 2354 from Fort Lauderdale at the gate
18:24AA 5174 to Dayton leaves the gate
22 h 55 apart on the timetable, overnight
AA 5174 leaves 22 h 55 after AA 2354 arrives on the timetable: more than half a day, so not a connection we count.