FR 4596 then QR 3633 at Barcelona
Porto → Barcelona → Rome
Timetable, Barcelona time
14:30FR 4596 from Porto at the gate
07:15QR 3633 to Rome leaves the gatealso IB 5330, LL 5330, LA 5762
16 h 45 apart on the timetable, overnight
QR 3633 leaves 16 h 45 after FR 4596 arrives on the timetable: more than half a day, so not a connection we count.