AA 1106 then DL 5648 at Charlotte
Louisville → Charlotte → Boston
Timetable, Charlotte time
07:33AA 1106 from Louisville at the gate
06:40DL 5648 to Boston leaves the gate
23 h 07 apart on the timetable, overnight
DL 5648 leaves 23 h 07 after AA 1106 arrives on the timetable: more than half a day, so not a connection we count.