IB 5355 then FR 3140 at Barcelona
Milan → Barcelona → Luxembourg
Timetable, Barcelona time
14:55IB 5355 from Milan at the gatealso LL 5355, VY 6043
06:25FR 3140 to Luxembourg leaves the gate
15 h 30 apart on the timetable, overnight
FR 3140 leaves 15 h 30 after IB 5355 arrives on the timetable: more than half a day, so not a connection we count.