LL 5481 then FR 8631 at Barcelona
Nantes → Barcelona → Tangier
Timetable, Barcelona time
13:55LL 5481 from Nantes at the gate
11:00FR 8631 to Tangier leaves the gate
21 h 05 apart on the timetable, overnight
FR 8631 leaves 21 h 05 after LL 5481 arrives on the timetable: more than half a day, so not a connection we count.