UA 273 then UA 3754 at Houston
Santa Ana → Houston → College Station
Timetable, Houston time
13:20UA 273 from Santa Ana at the gate
10:00UA 3754 to College Station leaves the gate
20 h 40 apart on the timetable, overnight
UA 3754 leaves 20 h 40 after UA 273 arrives on the timetable: more than half a day, so not a connection we count.