TK 209 then TK 1879 at Istanbul
Singapore → Istanbul → Napoli
Timetable, Istanbul time
18:30TK 209 from Singapore at the gate
18:15TK 1879 to Napoli leaves the gate
23 h 45 apart on the timetable, overnight
TK 1879 leaves 23 h 45 after TK 209 arrives on the timetable: more than half a day, so not a connection we count.