DL 514 then AA 1451 at Phoenix
Boston → Phoenix → Charlotte
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
13:17AA 1451 to Charlotte leaves the gate
15 h 24 apart on the timetable, overnight
AA 1451 leaves 15 h 24 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.