UA 5061 then WN 643 at Denver
St George → Denver → Orlando
Timetable, Denver time
15:46UA 5061 from St George at the gate
13:25WN 643 to Orlando leaves the gate
21 h 39 apart on the timetable, overnight
WN 643 leaves 21 h 39 after UA 5061 arrives on the timetable: more than half a day, so not a connection we count.