WN 851 then DL 1697 at Phoenix
Milwaukee → Phoenix → Boston
Timetable, Phoenix time
14:30WN 851 from Milwaukee at the gate
14:20DL 1697 to Boston leaves the gate
23 h 50 apart on the timetable, overnight
DL 1697 leaves 23 h 50 after WN 851 arrives on the timetable: more than half a day, so not a connection we count.