UA 281 then WN 332 at Denver
Houston → Denver → Portland (Oregon)
Timetable, Denver time
11:22UA 281 from Houston at the gate
08:45WN 332 to Portland (Oregon) leaves the gate
21 h 23 apart on the timetable, overnight
WN 332 leaves 21 h 23 after UA 281 arrives on the timetable: more than half a day, so not a connection we count.