WN 2517 then DL 1697 at Phoenix
Reno → Phoenix → Boston
Timetable, Phoenix time
19:35WN 2517 from Reno at the gate
14:20DL 1697 to Boston leaves the gate
18 h 45 apart on the timetable, overnight
DL 1697 leaves 18 h 45 after WN 2517 arrives on the timetable: more than half a day, so not a connection we count.