WN 4968 then DL 514 at Phoenix
Tucson → Phoenix → Boston
Timetable, Phoenix time
06:50WN 4968 from Tucson at the gate
23:23DL 514 to Boston leaves the gate
16 h 33 apart on the timetable
DL 514 leaves 16 h 33 after WN 4968 arrives on the timetable: more than half a day, so not a connection we count.