BA 1421 then BA 438 at Heathrow
Inverness → London → Amsterdam
Timetable, London time
12:55BA 1421 from Inverness at the gate
12:45BA 438 to Amsterdam leaves the gate
23 h 50 apart on the timetable, overnight
BA 438 leaves 23 h 50 after BA 1421 arrives on the timetable: more than half a day, so not a connection we count.