U2 2703 then QR 3637 at Barcelona
Bristol → Barcelona → Rome
Timetable, Barcelona time
18:45U2 2703 from Bristol at the gate
18:25QR 3637 to Rome leaves the gatealso IB 5768, LL 5768
23 h 40 apart on the timetable, overnight
QR 3637 leaves 23 h 40 after U2 2703 arrives on the timetable: more than half a day, so not a connection we count.