AA 1985 then DL 5626 at Charlotte
Des Moines → Charlotte → Boston
Timetable, Charlotte time
10:30AA 1985 from Des Moines at the gate
09:50DL 5626 to Boston leaves the gate
23 h 20 apart on the timetable, overnight
DL 5626 leaves 23 h 20 after AA 1985 arrives on the timetable: more than half a day, so not a connection we count.