BA 675 then BA 1322 at Heathrow
Istanbul → London → Aberdeen
Timetable, London time
20:00BA 675 from Istanbul at the gate
19:55BA 1322 to Aberdeen leaves the gate
23 h 55 apart on the timetable, overnight
BA 1322 leaves 23 h 55 after BA 675 arrives on the timetable: more than half a day, so not a connection we count.