WN 1122 then DL 514 at Phoenix
Denver → Phoenix → Boston
Timetable, Phoenix time
07:40WN 1122 from Denver at the gate
23:23DL 514 to Boston leaves the gate
15 h 43 apart on the timetable
DL 514 leaves 15 h 43 after WN 1122 arrives on the timetable: more than half a day, so not a connection we count.