QR 3726 then FR 6973 at Barcelona
Ibiza → Barcelona → Rome
Timetable, Barcelona time
16:30QR 3726 from Ibiza at the gate
10:35FR 6973 to Rome leaves the gate
18 h 05 apart on the timetable, overnight
FR 6973 leaves 18 h 05 after QR 3726 arrives on the timetable: more than half a day, so not a connection we count.