BA 130 then BA 580 at Heathrow
Bengaluru → London → Milan
Timetable, London time
08:30BA 130 from Bengaluru at the gate
08:15BA 580 to Milan leaves the gate
23 h 45 apart on the timetable, overnight
BA 580 leaves 23 h 45 after BA 130 arrives on the timetable: more than half a day, so not a connection we count.