UA 469 then UA 3237 at Houston
San Antonio → Houston → Mc Allen
Timetable, Houston time
06:31UA 469 from San Antonio at the gate
19:45UA 3237 to Mc Allen leaves the gate
13 h 14 apart on the timetable
UA 3237 leaves 13 h 14 after UA 469 arrives on the timetable: more than half a day, so not a connection we count.