AA 5946 then DL 5630 at Charlotte
Asheville → Charlotte → Boston
Timetable, Charlotte time
15:58AA 5946 from Asheville at the gate
14:37DL 5630 to Boston leaves the gate
22 h 39 apart on the timetable, overnight
DL 5630 leaves 22 h 39 after AA 5946 arrives on the timetable: more than half a day, so not a connection we count.