DL 445 then DL 4054 at Salt Lake City
Boston → Salt Lake City → Tucson
Timetable, Salt Lake City time
22:12DL 445 from Boston at the gate
20:40DL 4054 to Tucson leaves the gate
22 h 28 apart on the timetable, overnight
DL 4054 leaves 22 h 28 after DL 445 arrives on the timetable: more than half a day, so not a connection we count.