BA 247 then G3 9603 at Guarulhos
London → São Paulo → Teresina
Timetable, São Paulo time
06:00BA 247 from London at the gate
18:05G3 9603 to Teresina leaves the gate
12 h 05 apart on the timetable
G3 9603 leaves 12 h 05 after BA 247 arrives on the timetable: more than half a day, so not a connection we count.