UA 2375 then WN 197 at Denver
Portland (Oregon) → Denver → Dallas
Timetable, Denver time
12:30UA 2375 from Portland (Oregon) at the gate
11:05WN 197 to Dallas leaves the gate
22 h 35 apart on the timetable, overnight
WN 197 leaves 22 h 35 after UA 2375 arrives on the timetable: more than half a day, so not a connection we count.