UA 3011 then UA 340 at Houston
São Paulo → Houston → San Francisco
Timetable, Houston time
06:36UA 3011 from São Paulo at the gate
19:20UA 340 to San Francisco leaves the gate
12 h 44 apart on the timetable
UA 340 leaves 12 h 44 after UA 3011 arrives on the timetable: more than half a day, so not a connection we count.