QR 3746 then FR 6973 at Barcelona
Milan → Barcelona → Rome
Timetable, Barcelona time
20:00QR 3746 from Milan at the gatealso IB 5361, LL 5361, VY 6049
10:35FR 6973 to Rome leaves the gate
14 h 35 apart on the timetable, overnight
FR 6973 leaves 14 h 35 after QR 3746 arrives on the timetable: more than half a day, so not a connection we count.