WN 2642 then DL 514 at Phoenix
Las Vegas → Phoenix → Boston
Timetable, Phoenix time
08:25WN 2642 from Las Vegas at the gate
23:23DL 514 to Boston leaves the gate
14 h 58 apart on the timetable
DL 514 leaves 14 h 58 after WN 2642 arrives on the timetable: more than half a day, so not a connection we count.