BA 873 then BA 1316 at Heathrow
Krakow → London → Aberdeen
Timetable, London time
18:05BA 873 from Krakow at the gate
17:15BA 1316 to Aberdeen leaves the gate
23 h 10 apart on the timetable, overnight
BA 1316 leaves 23 h 10 after BA 873 arrives on the timetable: more than half a day, so not a connection we count.