UA 3501 then UA 714 at O'Hare
Kansas City → Chicago → Houston
Timetable, Chicago time
17:05UA 3501 from Kansas City at the gate
16:07UA 714 to Houston leaves the gate
23 h 02 apart on the timetable, overnight
UA 714 leaves 23 h 02 after UA 3501 arrives on the timetable: more than half a day, so not a connection we count.