BA 585 then BA 546 at Heathrow
Milan Linate → London → Bologna
Timetable, London time
18:15BA 585 from Milan Linate at the gate
18:10BA 546 to Bologna leaves the gate
23 h 55 apart on the timetable, overnight
BA 546 leaves 23 h 55 after BA 585 arrives on the timetable: more than half a day, so not a connection we count.