UA 459 then WN 3794 at Denver
Portland (Oregon) → Denver → Palm Springs
Timetable, Denver time
08:30UA 459 from Portland (Oregon) at the gate
20:55WN 3794 to Palm Springs leaves the gate
12 h 25 apart on the timetable
WN 3794 leaves 12 h 25 after UA 459 arrives on the timetable: more than half a day, so not a connection we count.