DL 514 then AA 4944 at Phoenix
Boston → Phoenix → Pasco
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
13:12AA 4944 to Pasco leaves the gate
15 h 19 apart on the timetable, overnight
AA 4944 leaves 15 h 19 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.