AA 1678 then DL 514 at Phoenix
Charlotte → Phoenix → Boston
Timetable, Phoenix time
09:07AA 1678 from Charlotte at the gate
23:23DL 514 to Boston leaves the gate
14 h 16 apart on the timetable
DL 514 leaves 14 h 16 after AA 1678 arrives on the timetable: more than half a day, so not a connection we count.