BA 975 then BA 572 at Heathrow
Berlin → London → Milan Linate
Timetable, London time
13:05BA 975 from Berlin at the gate
12:35BA 572 to Milan Linate leaves the gate
23 h 30 apart on the timetable, overnight
BA 572 leaves 23 h 30 after BA 975 arrives on the timetable: more than half a day, so not a connection we count.