DL 514 then AA 6199 at Phoenix
Boston → Phoenix → San Diego
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
17:44AA 6199 to San Diego leaves the gate
19 h 51 apart on the timetable, overnight
AA 6199 leaves 19 h 51 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.