AA 4615 then UA 3914 at O'Hare
Columbus (Ohio) → Chicago → Houston
Timetable, Chicago time
05:56AA 4615 from Columbus (Ohio) at the gate
20:30UA 3914 to Houston leaves the gate
14 h 34 apart on the timetable
UA 3914 leaves 14 h 34 after AA 4615 arrives on the timetable: more than half a day, so not a connection we count.