BA 1335 then BA 1410 at Heathrow
Newcastle → London → Belfast City
Timetable, London time
20:55BA 1335 from Newcastle at the gate
18:55BA 1410 to Belfast City leaves the gate
22 h apart on the timetable, overnight
BA 1410 leaves 22 h after BA 1335 arrives on the timetable: more than half a day, so not a connection we count.