FR 574 then W4 6316 at Barcelona
Bologna → Barcelona → Milan
Timetable, Barcelona time
21:10FR 574 from Bologna at the gate
13:10W4 6316 to Milan leaves the gate
16 h apart on the timetable, overnight
W4 6316 leaves 16 h after FR 574 arrives on the timetable: more than half a day, so not a connection we count.