UA 1255 then WN 643 at Denver
Spokane → Denver → Orlando
Timetable, Denver time
17:04UA 1255 from Spokane at the gate
13:25WN 643 to Orlando leaves the gate
20 h 21 apart on the timetable, overnight
WN 643 leaves 20 h 21 after UA 1255 arrives on the timetable: more than half a day, so not a connection we count.