BA 759 then BA 1338 at Heathrow
Basel → London → Newcastle
Timetable, London time
17:15BA 759 from Basel at the gate
16:05BA 1338 to Newcastle leaves the gate
22 h 50 apart on the timetable, overnight
BA 1338 leaves 22 h 50 after BA 759 arrives on the timetable: more than half a day, so not a connection we count.