KM 784 then TK 1243 at Istanbul
Valletta → Istanbul → London Stansted
Timetable, Istanbul time
21:45KM 784 from Valletta at the gate
15:15TK 1243 to London Stansted leaves the gate
17 h 30 apart on the timetable, overnight
TK 1243 leaves 17 h 30 after KM 784 arrives on the timetable: more than half a day, so not a connection we count.