UA 281 then WN 3448 at Denver
Houston → Denver → Fort Myers
Timetable, Denver time
11:22UA 281 from Houston at the gate
10:45WN 3448 to Fort Myers leaves the gate
23 h 23 apart on the timetable, overnight
WN 3448 leaves 23 h 23 after UA 281 arrives on the timetable: more than half a day, so not a connection we count.