AA 5345 then AA 5220 at Charlotte
Huntsville → Charlotte → Washington
Timetable, Charlotte time
11:20AA 5345 from Huntsville at the gate
09:45AA 5220 to Washington leaves the gate
22 h 25 apart on the timetable, overnight
AA 5220 leaves 22 h 25 after AA 5345 arrives on the timetable: more than half a day, so not a connection we count.