BA 1333 then BA 968 at Heathrow
Newcastle → London → Hamburg
Timetable, London time
18:00BA 1333 from Newcastle at the gate
15:20BA 968 to Hamburg leaves the gate
21 h 20 apart on the timetable, overnight
BA 968 leaves 21 h 20 after BA 1333 arrives on the timetable: more than half a day, so not a connection we count.