WN 4509 then DL 1697 at Phoenix
Sacramento → Phoenix → Boston
Timetable, Phoenix time
18:00WN 4509 from Sacramento at the gate
14:20DL 1697 to Boston leaves the gate
20 h 20 apart on the timetable, overnight
DL 1697 leaves 20 h 20 after WN 4509 arrives on the timetable: more than half a day, so not a connection we count.