UA 1541 then WN 643 at Denver
Austin → Denver → Orlando
Timetable, Denver time
14:24UA 1541 from Austin at the gate
13:25WN 643 to Orlando leaves the gate
23 h 01 apart on the timetable, overnight
WN 643 leaves 23 h 01 after UA 1541 arrives on the timetable: more than half a day, so not a connection we count.