UA 3914 then UA 496 at Houston
Chicago → Houston → Orlando
Timetable, Houston time
23:27UA 3914 from Chicago at the gate
14:20UA 496 to Orlando leaves the gate
14 h 53 apart on the timetable, overnight
UA 496 leaves 14 h 53 after UA 3914 arrives on the timetable: more than half a day, so not a connection we count.