UA 2168 then UA 378 at Denver
Houston → Denver → Wichita
Timetable, Denver time
14:28UA 2168 from Houston at the gate
13:45UA 378 to Wichita leaves the gate
23 h 17 apart on the timetable, overnight
UA 378 leaves 23 h 17 after UA 2168 arrives on the timetable: more than half a day, so not a connection we count.