A3 504 then KM 785 at Istanbul
Thessaloniki → Istanbul → Valletta
Timetable, Istanbul time
16:55A3 504 from Thessaloniki at the gate
11:35KM 785 to Valletta leaves the gate
18 h 40 apart on the timetable, overnight
KM 785 leaves 18 h 40 after A3 504 arrives on the timetable: more than half a day, so not a connection we count.