AA 5287 then DL 5648 at Charlotte
Asheville → Charlotte → Boston
Timetable, Charlotte time
07:09AA 5287 from Asheville at the gate
06:40DL 5648 to Boston leaves the gate
23 h 31 apart on the timetable, overnight
DL 5648 leaves 23 h 31 after AA 5287 arrives on the timetable: more than half a day, so not a connection we count.