BA 773 then AI 2018 at Heathrow
Oslo → London → New Delhi
Timetable, London time
22:00BA 773 from Oslo at the gate
21:05AI 2018 to New Delhi leaves the gate
23 h 05 apart on the timetable, overnight
AI 2018 leaves 23 h 05 after BA 773 arrives on the timetable: more than half a day, so not a connection we count.