WN 120 then OO 379 at Denver
Kansas City → Denver → Salt Lake City
Timetable, Denver time
15:20WN 120 from Kansas City at the gate
13:45OO 379 to Salt Lake City leaves the gate
22 h 25 apart on the timetable, overnight
OO 379 leaves 22 h 25 after WN 120 arrives on the timetable: more than half a day, so not a connection we count.