FR 3073 then W4 6316 at Barcelona
Prague → Barcelona → Milan
Timetable, Barcelona time
13:30FR 3073 from Prague at the gate
13:10W4 6316 to Milan leaves the gate
23 h 40 apart on the timetable, overnight
W4 6316 leaves 23 h 40 after FR 3073 arrives on the timetable: more than half a day, so not a connection we count.