FR 3109 then W4 6316 at Barcelona
Luxembourg → Barcelona → Milan
Timetable, Barcelona time
20:20FR 3109 from Luxembourg at the gate
13:10W4 6316 to Milan leaves the gate
16 h 50 apart on the timetable, overnight
W4 6316 leaves 16 h 50 after FR 3109 arrives on the timetable: more than half a day, so not a connection we count.