W6 2441 then VY 1067 at Athens
Budapest → Athens → Barcelona
Timetable, Athens time
20:55W6 2441 from Budapest at the gate
11:55VY 1067 to Barcelona leaves the gate
15 h apart on the timetable, overnight
VY 1067 leaves 15 h after W6 2441 arrives on the timetable: more than half a day, so not a connection we count.