UA 1738 then UA 3263 at Houston
Detroit → Houston → Richmond
Timetable, Houston time
11:03UA 1738 from Detroit at the gate
07:00UA 3263 to Richmond leaves the gate
19 h 57 apart on the timetable, overnight
UA 3263 leaves 19 h 57 after UA 1738 arrives on the timetable: more than half a day, so not a connection we count.