WN 120 then WN 1021 at Denver
Kansas City → Denver → Omaha
Timetable, Denver time
15:20WN 120 from Kansas City at the gate
13:20WN 1021 to Omaha leaves the gate
22 h apart on the timetable, overnight
WN 1021 leaves 22 h after WN 120 arrives on the timetable: more than half a day, so not a connection we count.