UA 1241 then WN 1749 at Denver
Eugene → Denver → Dallas
Timetable, Denver time
08:35UA 1241 from Eugene at the gate
05:35WN 1749 to Dallas leaves the gate
21 h apart on the timetable, overnight
WN 1749 leaves 21 h after UA 1241 arrives on the timetable: more than half a day, so not a connection we count.