UA 3011 then UA 2197 at Houston
São Paulo → Houston → Chicago
Timetable, Houston time
06:36UA 3011 from São Paulo at the gate
18:48UA 2197 to Chicago leaves the gate
12 h 12 apart on the timetable
UA 2197 leaves 12 h 12 after UA 3011 arrives on the timetable: more than half a day, so not a connection we count.