UA 462 then UA 3754 at Houston
Portland (Oregon) → Houston → College Station
Timetable, Houston time
13:07UA 462 from Portland (Oregon) at the gate
10:00UA 3754 to College Station leaves the gate
20 h 53 apart on the timetable, overnight
UA 3754 leaves 20 h 53 after UA 462 arrives on the timetable: more than half a day, so not a connection we count.