AA 5653 then DL 5630 at Charlotte
Des Moines → Charlotte → Boston
Timetable, Charlotte time
14:47AA 5653 from Des Moines at the gate
14:37DL 5630 to Boston leaves the gate
23 h 50 apart on the timetable, overnight
DL 5630 leaves 23 h 50 after AA 5653 arrives on the timetable: more than half a day, so not a connection we count.