AA 1565 then DL 1697 at Phoenix
Las Vegas → Phoenix → Boston
Timetable, Phoenix time
20:52AA 1565 from Las Vegas at the gate
14:20DL 1697 to Boston leaves the gate
17 h 28 apart on the timetable, overnight
DL 1697 leaves 17 h 28 after AA 1565 arrives on the timetable: more than half a day, so not a connection we count.