DL 2352 then AA 1473 at Charlotte
Detroit → Charlotte → Washington
Timetable, Charlotte time
21:54DL 2352 from Detroit at the gate
21:35AA 1473 to Washington leaves the gate
23 h 41 apart on the timetable, overnight
AA 1473 leaves 23 h 41 after DL 2352 arrives on the timetable: more than half a day, so not a connection we count.