AA 5661 then DL 5630 at Charlotte
Manchester → Charlotte → Boston
Timetable, Charlotte time
16:49AA 5661 from Manchester at the gate
14:37DL 5630 to Boston leaves the gate
21 h 48 apart on the timetable, overnight
DL 5630 leaves 21 h 48 after AA 5661 arrives on the timetable: more than half a day, so not a connection we count.