BA 130 then BA 592 at Heathrow
Bengaluru → London → Venezia
Timetable, London time
08:30BA 130 from Bengaluru at the gate
07:55BA 592 to Venezia leaves the gate
23 h 25 apart on the timetable, overnight
BA 592 leaves 23 h 25 after BA 130 arrives on the timetable: more than half a day, so not a connection we count.