QR 3630 then FR 867 at Barcelona
Firenze → Barcelona → Venezia
Timetable, Barcelona time
14:55QR 3630 from Firenze at the gatealso IB 5375, LL 5375, VY 6075
06:20FR 867 to Venezia leaves the gate
15 h 25 apart on the timetable, overnight
FR 867 leaves 15 h 25 after QR 3630 arrives on the timetable: more than half a day, so not a connection we count.