UA 3011 then UA 2807 at Houston
São Paulo → Houston → Los Angeles
Timetable, Houston time
06:36UA 3011 from São Paulo at the gate
18:46UA 2807 to Los Angeles leaves the gate
12 h 10 apart on the timetable
UA 2807 leaves 12 h 10 after UA 3011 arrives on the timetable: more than half a day, so not a connection we count.