AA 5447 then YX 3287 at Dulles
Charlotte → Washington → Dayton
Timetable, Washington time
17:14AA 5447 from Charlotte at the gate
12:35YX 3287 to Dayton leaves the gate
19 h 21 apart on the timetable, overnight
YX 3287 leaves 19 h 21 after AA 5447 arrives on the timetable: more than half a day, so not a connection we count.