BA 439 then BA 1334 at Heathrow
Amsterdam → London → Newcastle
Timetable, London time
16:30BA 439 from Amsterdam at the gate
14:40BA 1334 to Newcastle leaves the gate
22 h 10 apart on the timetable, overnight
BA 1334 leaves 22 h 10 after BA 439 arrives on the timetable: more than half a day, so not a connection we count.