UA 5084 then WN 482 at Denver
Pierre → Denver → Montrose
Timetable, Denver time
17:55UA 5084 from Pierre at the gate
17:25WN 482 to Montrose leaves the gate
23 h 30 apart on the timetable, overnight
WN 482 leaves 23 h 30 after UA 5084 arrives on the timetable: more than half a day, so not a connection we count.