WN 843 then WN 643 at Denver
Cincinnati → Denver → Orlando
Timetable, Denver time
15:30WN 843 from Cincinnati at the gate
13:25WN 643 to Orlando leaves the gate
21 h 55 apart on the timetable, overnight
WN 643 leaves 21 h 55 after WN 843 arrives on the timetable: more than half a day, so not a connection we count.