EC 7681 then LA 5747 at Barcelona
Lisbon → Barcelona → Santander
Timetable, Barcelona time
21:50EC 7681 from Lisbon at the gatealso U2 7681
20:15LA 5747 to Santander leaves the gate
22 h 25 apart on the timetable, overnight
LA 5747 leaves 22 h 25 after EC 7681 arrives on the timetable: more than half a day, so not a connection we count.