BA 567 then BA 746 at Heathrow
Milan Linate → London → Geneva
Timetable, London time
12:25BA 567 from Milan Linate at the gate
10:30BA 746 to Geneva leaves the gate
22 h 05 apart on the timetable, overnight
BA 746 leaves 22 h 05 after BA 567 arrives on the timetable: more than half a day, so not a connection we count.