AA 2189 then AA 1473 at Charlotte
Madison → Charlotte → Washington
Timetable, Charlotte time
21:47AA 2189 from Madison at the gate
21:35AA 1473 to Washington leaves the gate
23 h 48 apart on the timetable, overnight
AA 1473 leaves 23 h 48 after AA 2189 arrives on the timetable: more than half a day, so not a connection we count.