AI 131 then BA 864 at Heathrow
Mumbai → London → Prague
Timetable, London time
18:55AI 131 from Mumbai at the gate
18:05BA 864 to Prague leaves the gate
23 h 10 apart on the timetable, overnight
BA 864 leaves 23 h 10 after AI 131 arrives on the timetable: more than half a day, so not a connection we count.