AA 439 then AA 2376 at Charlotte
Washington National → Charlotte → Detroit
Timetable, Charlotte time
13:30AA 439 from Washington National at the gate
11:04AA 2376 to Detroit leaves the gate
21 h 34 apart on the timetable, overnight
AA 2376 leaves 21 h 34 after AA 439 arrives on the timetable: more than half a day, so not a connection we count.