AA 2486 then AA 5245 at Charlotte
St Louis → Charlotte → Dayton
Timetable, Charlotte time
16:49AA 2486 from St Louis at the gate
15:25AA 5245 to Dayton leaves the gate
22 h 36 apart on the timetable, overnight
AA 5245 leaves 22 h 36 after AA 2486 arrives on the timetable: more than half a day, so not a connection we count.