BA 1497 then AI 162 at Heathrow
Glasgow → London → New Delhi
Timetable, London time
09:35BA 1497 from Glasgow at the gate
08:45AI 162 to New Delhi leaves the gate
23 h 10 apart on the timetable, overnight
AI 162 leaves 23 h 10 after BA 1497 arrives on the timetable: more than half a day, so not a connection we count.