AA 2021 then DL 5626 at Charlotte
Cleveland → Charlotte → Boston
Timetable, Charlotte time
10:05AA 2021 from Cleveland at the gate
09:50DL 5626 to Boston leaves the gate
23 h 45 apart on the timetable, overnight
DL 5626 leaves 23 h 45 after AA 2021 arrives on the timetable: more than half a day, so not a connection we count.