BA 246 then BA 546 at Heathrow
São Paulo → London → Bologna
Timetable, London time
06:30BA 246 from São Paulo at the gate
20:25BA 546 to Bologna leaves the gate
13 h 55 apart on the timetable
BA 546 leaves 13 h 55 after BA 246 arrives on the timetable: more than half a day, so not a connection we count.