UA 1951 then UA 3263 at Houston
Orlando → Houston → Richmond
Timetable, Houston time
13:39UA 1951 from Orlando at the gate
07:00UA 3263 to Richmond leaves the gate
17 h 21 apart on the timetable, overnight
UA 3263 leaves 17 h 21 after UA 1951 arrives on the timetable: more than half a day, so not a connection we count.