BA 437 then BA 1334 at Heathrow
Amsterdam → London → Newcastle
Timetable, London time
14:30BA 437 from Amsterdam at the gate
14:25BA 1334 to Newcastle leaves the gate
23 h 55 apart on the timetable, overnight
BA 1334 leaves 23 h 55 after BA 437 arrives on the timetable: more than half a day, so not a connection we count.