WN 2019 then DL 1697 at Phoenix
Tucson → Phoenix → Boston
Timetable, Phoenix time
06:55WN 2019 from Tucson at the gate
23:20DL 1697 to Boston leaves the gate
16 h 25 apart on the timetable
DL 1697 leaves 16 h 25 after WN 2019 arrives on the timetable: more than half a day, so not a connection we count.