BA 676 then KM 785 at Istanbul
London Heathrow → Istanbul → Valletta
Timetable, Istanbul time
13:50BA 676 from London Heathrow at the gate
11:35KM 785 to Valletta leaves the gate
21 h 45 apart on the timetable, overnight
KM 785 leaves 21 h 45 after BA 676 arrives on the timetable: more than half a day, so not a connection we count.