WN 347 then UA 644 at Denver
Birmingham (Alabama) → Denver → Portland (Oregon)
Timetable, Denver time
18:45WN 347 from Birmingham (Alabama) at the gate
11:29UA 644 to Portland (Oregon) leaves the gate
16 h 44 apart on the timetable, overnight
UA 644 leaves 16 h 44 after WN 347 arrives on the timetable: more than half a day, so not a connection we count.