UA 1725 then UA 3263 at Houston
Guadalajara → Houston → Richmond
Timetable, Houston time
15:52UA 1725 from Guadalajara at the gate
07:00UA 3263 to Richmond leaves the gate
15 h 08 apart on the timetable, overnight
UA 3263 leaves 15 h 08 after UA 1725 arrives on the timetable: more than half a day, so not a connection we count.