AA 2585 then DL 5799 at Charlotte
Jacksonville → Charlotte → Boston
Timetable, Charlotte time
12:29AA 2585 from Jacksonville at the gate
11:40DL 5799 to Boston leaves the gate
23 h 11 apart on the timetable, overnight
DL 5799 leaves 23 h 11 after AA 2585 arrives on the timetable: more than half a day, so not a connection we count.