UA 1565 then WN 643 at Denver
San Diego → Denver → Orlando
Timetable, Denver time
16:08UA 1565 from San Diego at the gate
13:25WN 643 to Orlando leaves the gate
21 h 17 apart on the timetable, overnight
WN 643 leaves 21 h 17 after UA 1565 arrives on the timetable: more than half a day, so not a connection we count.