UA 2736 then WN 1775 at Denver
Kalispell → Denver → Colorado Springs
Timetable, Denver time
08:27UA 2736 from Kalispell at the gate
20:55WN 1775 to Colorado Springs leaves the gate
12 h 28 apart on the timetable
WN 1775 leaves 12 h 28 after UA 2736 arrives on the timetable: more than half a day, so not a connection we count.