UA 6204 then UA 3263 at Houston
Oklahoma City → Houston → Richmond
Timetable, Houston time
16:15UA 6204 from Oklahoma City at the gate
07:00UA 3263 to Richmond leaves the gate
14 h 45 apart on the timetable, overnight
UA 3263 leaves 14 h 45 after UA 6204 arrives on the timetable: more than half a day, so not a connection we count.