WN 735 then WN 244 at Denver
Knoxville → Denver → Portland (Oregon)
Timetable, Denver time
14:55WN 735 from Knoxville at the gate
12:30WN 244 to Portland (Oregon) leaves the gate
21 h 35 apart on the timetable, overnight
WN 244 leaves 21 h 35 after WN 735 arrives on the timetable: more than half a day, so not a connection we count.