UA 5784 then WN 643 at Denver
Williston → Denver → Orlando
Timetable, Denver time
17:02UA 5784 from Williston at the gate
13:25WN 643 to Orlando leaves the gate
20 h 23 apart on the timetable, overnight
WN 643 leaves 20 h 23 after UA 5784 arrives on the timetable: more than half a day, so not a connection we count.