WN 1347 then DL 1697 at Phoenix
Las Vegas → Phoenix → Boston
Timetable, Phoenix time
23:00WN 1347 from Las Vegas at the gate
14:20DL 1697 to Boston leaves the gate
15 h 20 apart on the timetable, overnight
DL 1697 leaves 15 h 20 after WN 1347 arrives on the timetable: more than half a day, so not a connection we count.