AS 3144 then DL 514 at Phoenix
San Diego → Phoenix → Boston
Timetable, Phoenix time
10:37AS 3144 from San Diego at the gate
23:23DL 514 to Boston leaves the gate
12 h 46 apart on the timetable
DL 514 leaves 12 h 46 after AS 3144 arrives on the timetable: more than half a day, so not a connection we count.