UA 4675 then WN 1749 at Denver
Colorado Springs → Denver → Dallas
Timetable, Denver time
11:38UA 4675 from Colorado Springs at the gate
05:35WN 1749 to Dallas leaves the gate
17 h 57 apart on the timetable, overnight
WN 1749 leaves 17 h 57 after UA 4675 arrives on the timetable: more than half a day, so not a connection we count.