UA 1891 then WN 1749 at Denver
Minneapolis → Denver → Dallas
Timetable, Denver time
10:13UA 1891 from Minneapolis at the gate
05:35WN 1749 to Dallas leaves the gate
19 h 22 apart on the timetable, overnight
WN 1749 leaves 19 h 22 after UA 1891 arrives on the timetable: more than half a day, so not a connection we count.