BA 1335 then BA 870 at Heathrow
Newcastle → London → Budapest
Timetable, London time
20:55BA 1335 from Newcastle at the gate
19:30BA 870 to Budapest leaves the gate
22 h 35 apart on the timetable, overnight
BA 870 leaves 22 h 35 after BA 1335 arrives on the timetable: more than half a day, so not a connection we count.