AA 5107 then DL 5630 at Charlotte
Cincinnati → Charlotte → Boston
Timetable, Charlotte time
15:34AA 5107 from Cincinnati at the gate
14:37DL 5630 to Boston leaves the gate
23 h 03 apart on the timetable, overnight
DL 5630 leaves 23 h 03 after AA 5107 arrives on the timetable: more than half a day, so not a connection we count.