FR 5711 then LA 5754 at Barcelona
Napoli → Barcelona → Bordeaux
Timetable, Barcelona time
19:50FR 5711 from Napoli at the gate
16:40LA 5754 to Bordeaux leaves the gate
20 h 50 apart on the timetable, overnight
LA 5754 leaves 20 h 50 after FR 5711 arrives on the timetable: more than half a day, so not a connection we count.