BA 1485 then VS 300 at Heathrow
Glasgow → London → New Delhi
Timetable, London time
19:25BA 1485 from Glasgow at the gate
18:50VS 300 to New Delhi leaves the gate
23 h 25 apart on the timetable, overnight
VS 300 leaves 23 h 25 after BA 1485 arrives on the timetable: more than half a day, so not a connection we count.