UA 63 then UA 3237 at Houston
São Paulo → Houston → Mc Allen
Timetable, Houston time
05:25UA 63 from São Paulo at the gate
19:45UA 3237 to Mc Allen leaves the gate
14 h 20 apart on the timetable
UA 3237 leaves 14 h 20 after UA 63 arrives on the timetable: more than half a day, so not a connection we count.