BA 439 then BA 1338 at Heathrow
Amsterdam → London → Newcastle
Timetable, London time
16:20BA 439 from Amsterdam at the gate
16:05BA 1338 to Newcastle leaves the gate
23 h 45 apart on the timetable, overnight
BA 1338 leaves 23 h 45 after BA 439 arrives on the timetable: more than half a day, so not a connection we count.