IB 5212 then AD 7243 at Barcelona
Santiago de Compostela → Barcelona → Lisbon
Timetable, Barcelona time
00:10IB 5212 from Santiago de Compostela at the gate
21:10AD 7243 to Lisbon leaves the gatealso S4 8711
21 h apart on the timetable
AD 7243 leaves 21 h after IB 5212 arrives on the timetable: more than half a day, so not a connection we count.