BA 1357 then AI 130 at Heathrow
Saint Helier → London → Mumbai
Timetable, London time
08:20BA 1357 from Saint Helier at the gate
20:30AI 130 to Mumbai leaves the gate
12 h 10 apart on the timetable
AI 130 leaves 12 h 10 after BA 1357 arrives on the timetable: more than half a day, so not a connection we count.