DL 514 then AA 3774 at Phoenix
Boston → Phoenix → Salt Lake City
Timetable, Phoenix time
21:53DL 514 from Boston at the gate
15:26AA 3774 to Salt Lake City leaves the gate
17 h 33 apart on the timetable, overnight
AA 3774 leaves 17 h 33 after DL 514 arrives on the timetable: more than half a day, so not a connection we count.