UA 2859 then WN 482 at Denver
Memphis → Denver → Montrose
Timetable, Denver time
18:08UA 2859 from Memphis at the gate
17:25WN 482 to Montrose leaves the gate
23 h 17 apart on the timetable, overnight
WN 482 leaves 23 h 17 after UA 2859 arrives on the timetable: more than half a day, so not a connection we count.