BA 545 then AI 130 at Heathrow
Bologna → London → Mumbai
Timetable, London time
21:30BA 545 from Bologna at the gate
20:30AI 130 to Mumbai leaves the gate
23 h apart on the timetable, overnight
AI 130 leaves 23 h after BA 545 arrives on the timetable: more than half a day, so not a connection we count.