DL 514 then AA 4968 at Phoenix
Boston → Phoenix → Salt Lake City
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
15:54AA 4968 to Salt Lake City leaves the gate
18 h 01 apart on the timetable, overnight
AA 4968 leaves 18 h 01 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.