UA 4838 then UA 3263 at Houston
Wichita → Houston → Richmond
Timetable, Houston time
10:53UA 4838 from Wichita at the gate
07:00UA 3263 to Richmond leaves the gate
20 h 07 apart on the timetable, overnight
UA 3263 leaves 20 h 07 after UA 4838 arrives on the timetable: more than half a day, so not a connection we count.