AA 5345 then DL 5626 at Charlotte
Huntsville → Charlotte → Boston
Timetable, Charlotte time
11:20AA 5345 from Huntsville at the gate
09:50DL 5626 to Boston leaves the gate
22 h 30 apart on the timetable, overnight
DL 5626 leaves 22 h 30 after AA 5345 arrives on the timetable: more than half a day, so not a connection we count.