WN 3961 then DL 1697 at Phoenix
Sacramento → Phoenix → Boston
Timetable, Phoenix time
19:15WN 3961 from Sacramento at the gate
14:20DL 1697 to Boston leaves the gate
19 h 05 apart on the timetable, overnight
DL 1697 leaves 19 h 05 after WN 3961 arrives on the timetable: more than half a day, so not a connection we count.