W6 2375 then LO 4704 at Barcelona
Budapest → Barcelona → Lisbon
Timetable, Barcelona time
08:40W6 2375 from Budapest at the gate
21:10LO 4704 to Lisbon leaves the gate
12 h 30 apart on the timetable
LO 4704 leaves 12 h 30 after W6 2375 arrives on the timetable: more than half a day, so not a connection we count.