WN 1291 then WN 643 at Denver
Colorado Springs → Denver → Orlando
Timetable, Denver time
18:45WN 1291 from Colorado Springs at the gate
13:25WN 643 to Orlando leaves the gate
18 h 40 apart on the timetable, overnight
WN 643 leaves 18 h 40 after WN 1291 arrives on the timetable: more than half a day, so not a connection we count.