BA 136 then BA 438 at Heathrow
New Delhi → London → Amsterdam
Timetable, London time
11:55BA 136 from New Delhi at the gate
11:50BA 438 to Amsterdam leaves the gate
23 h 55 apart on the timetable, overnight
BA 438 leaves 23 h 55 after BA 136 arrives on the timetable: more than half a day, so not a connection we count.