WN 2374 then DL 1697 at Phoenix
Las Vegas → Phoenix → Boston
Timetable, Phoenix time
21:25WN 2374 from Las Vegas at the gate
14:20DL 1697 to Boston leaves the gate
16 h 55 apart on the timetable, overnight
DL 1697 leaves 16 h 55 after WN 2374 arrives on the timetable: more than half a day, so not a connection we count.