UA 593 then UA 3754 at Houston
San Antonio → Houston → College Station
Timetable, Houston time
10:42UA 593 from San Antonio at the gate
10:00UA 3754 to College Station leaves the gate
23 h 18 apart on the timetable, overnight
UA 3754 leaves 23 h 18 after UA 593 arrives on the timetable: more than half a day, so not a connection we count.