AA 2778 then DL 5630 at Charlotte
Grand Rapids → Charlotte → Boston
Timetable, Charlotte time
15:43AA 2778 from Grand Rapids at the gate
14:37DL 5630 to Boston leaves the gate
22 h 54 apart on the timetable, overnight
DL 5630 leaves 22 h 54 after AA 2778 arrives on the timetable: more than half a day, so not a connection we count.