DL 514 then AA 6514 at Phoenix
Boston → Phoenix → Tucson
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
13:00AA 6514 to Tucson leaves the gate
15 h 07 apart on the timetable, overnight
AA 6514 leaves 15 h 07 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.