TK 1852 then RO 266 at Istanbul
Barcelona → Istanbul → Bucharest
Timetable, Istanbul time
11:30TK 1852 from Barcelona at the gate
23:35RO 266 to Bucharest leaves the gate
12 h 05 apart on the timetable
RO 266 leaves 12 h 05 after TK 1852 arrives on the timetable: more than half a day, so not a connection we count.