AA 2618 then DL 1297 at Boston
Charlotte → Boston → Austin
Timetable, Boston time
14:04AA 2618 from Charlotte at the gate
13:05DL 1297 to Austin leaves the gate
23 h 01 apart on the timetable, overnight
DL 1297 leaves 23 h 01 after AA 2618 arrives on the timetable: more than half a day, so not a connection we count.