DL 514 then AA 2927 at Phoenix
Boston → Phoenix → Miami
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
17:50AA 2927 to Miami leaves the gate
19 h 57 apart on the timetable, overnight
AA 2927 leaves 19 h 57 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.