UA 2078 then DL 1697 at Phoenix
Houston → Phoenix → Boston
Timetable, Phoenix time
22:15UA 2078 from Houston at the gate
14:20DL 1697 to Boston leaves the gate
16 h 05 apart on the timetable, overnight
DL 1697 leaves 16 h 05 after UA 2078 arrives on the timetable: more than half a day, so not a connection we count.