AA 4923 then UA 3754 at Houston
Los Angeles → Houston → College Station
Timetable, Houston time
14:53AA 4923 from Los Angeles at the gate
10:00UA 3754 to College Station leaves the gate
19 h 07 apart on the timetable, overnight
UA 3754 leaves 19 h 07 after AA 4923 arrives on the timetable: more than half a day, so not a connection we count.