DL 514 then AA 452 at Phoenix
Boston → Phoenix → Cleveland
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
15:47AA 452 to Cleveland leaves the gate
17 h 54 apart on the timetable, overnight
AA 452 leaves 17 h 54 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.