UA 128 then UA 3237 at Houston
Rio De Janeiro → Houston → Mc Allen
Timetable, Houston time
05:45UA 128 from Rio De Janeiro at the gate
19:45UA 3237 to Mc Allen leaves the gate
14 h apart on the timetable
UA 3237 leaves 14 h after UA 128 arrives on the timetable: more than half a day, so not a connection we count.