FR 3109 then EC 7153 at Barcelona
Luxembourg → Barcelona → Milan
Timetable, Barcelona time
13:30FR 3109 from Luxembourg at the gate
07:20EC 7153 to Milan leaves the gate
17 h 50 apart on the timetable, overnight
EC 7153 leaves 17 h 50 after FR 3109 arrives on the timetable: more than half a day, so not a connection we count.