DL 445 then DL 4317 at Salt Lake City
Boston → Salt Lake City → Elko
Timetable, Salt Lake City time
22:13DL 445 from Boston at the gate
21:30DL 4317 to Elko leaves the gate
23 h 17 apart on the timetable, overnight
DL 4317 leaves 23 h 17 after DL 445 arrives on the timetable: more than half a day, so not a connection we count.