UA 480 then UA 6146 at Houston
Columbus (Ohio) → Houston → Little Rock
Timetable, Houston time
18:58UA 480 from Columbus (Ohio) at the gate
18:10UA 6146 to Little Rock leaves the gate
23 h 12 apart on the timetable, overnight
UA 6146 leaves 23 h 12 after UA 480 arrives on the timetable: more than half a day, so not a connection we count.