BA 541 then BA 1312 at Heathrow
Bologna → London → Aberdeen
Timetable, London time
13:55BA 541 from Bologna at the gate
13:35BA 1312 to Aberdeen leaves the gate
23 h 40 apart on the timetable, overnight
BA 1312 leaves 23 h 40 after BA 541 arrives on the timetable: more than half a day, so not a connection we count.