UA 2865 then WN 1749 at Denver
Santa Barbara → Denver → Dallas
Timetable, Denver time
08:28UA 2865 from Santa Barbara at the gate
06:05WN 1749 to Dallas leaves the gate
21 h 37 apart on the timetable, overnight
WN 1749 leaves 21 h 37 after UA 2865 arrives on the timetable: more than half a day, so not a connection we count.