WN 3256 then DL 1697 at Phoenix
Omaha → Phoenix → Boston
Timetable, Phoenix time
19:45WN 3256 from Omaha at the gate
14:20DL 1697 to Boston leaves the gate
18 h 35 apart on the timetable, overnight
DL 1697 leaves 18 h 35 after WN 3256 arrives on the timetable: more than half a day, so not a connection we count.