TK 6902 then W6 2438 at Istanbul
Barcelona → Istanbul → Budapest
Timetable, Istanbul time
06:25TK 6902 from Barcelona at the gate
23:10W6 2438 to Budapest leaves the gate
16 h 45 apart on the timetable
W6 2438 leaves 16 h 45 after TK 6902 arrives on the timetable: more than half a day, so not a connection we count.