UA 6210 then UA 3263 at Houston
Pensacola → Houston → Richmond
Timetable, Houston time
12:27UA 6210 from Pensacola at the gate
07:00UA 3263 to Richmond leaves the gate
18 h 33 apart on the timetable, overnight
UA 3263 leaves 18 h 33 after UA 6210 arrives on the timetable: more than half a day, so not a connection we count.