TK 1933 then BA 1400 at Heathrow
Istanbul → London → Belfast City
Timetable, London time
14:45TK 1933 from Istanbul at the gate
13:50BA 1400 to Belfast City leaves the gate
23 h 05 apart on the timetable, overnight
BA 1400 leaves 23 h 05 after TK 1933 arrives on the timetable: more than half a day, so not a connection we count.