WN 180 then DL 1697 at Phoenix
Cancún → Phoenix → Boston
Timetable, Phoenix time
16:40WN 180 from Cancún at the gate
14:20DL 1697 to Boston leaves the gate
21 h 40 apart on the timetable, overnight
DL 1697 leaves 21 h 40 after WN 180 arrives on the timetable: more than half a day, so not a connection we count.