WN 4527 then WN 581 at Denver
Salt Lake City → Denver → Nashville
Timetable, Denver time
13:20WN 4527 from Salt Lake City at the gate
07:55WN 581 to Nashville leaves the gate
18 h 35 apart on the timetable, overnight
WN 581 leaves 18 h 35 after WN 4527 arrives on the timetable: more than half a day, so not a connection we count.