DL 3747 then DL 3845 at Salt Lake City
Sacramento → Salt Lake City → Great Falls
Timetable, Salt Lake City time
22:07DL 3747 from Sacramento at the gate
20:52DL 3845 to Great Falls leaves the gate
22 h 45 apart on the timetable, overnight
DL 3845 leaves 22 h 45 after DL 3747 arrives on the timetable: more than half a day, so not a connection we count.