FR 2835 then W6 2378 at Barcelona
Brussels Charleroi → Barcelona → Budapest
Timetable, Barcelona time
08:05FR 2835 from Brussels Charleroi at the gate
20:50W6 2378 to Budapest leaves the gate
12 h 45 apart on the timetable
W6 2378 leaves 12 h 45 after FR 2835 arrives on the timetable: more than half a day, so not a connection we count.