UA 3011 then UA 2140 at Houston
São Paulo → Houston → New Orleans
Timetable, Houston time
06:36UA 3011 from São Paulo at the gate
18:40UA 2140 to New Orleans leaves the gate
12 h 04 apart on the timetable
UA 2140 leaves 12 h 04 after UA 3011 arrives on the timetable: more than half a day, so not a connection we count.