IB 5337 then FR 9015 at Barcelona
Rome → Barcelona → London Stansted
Timetable, Barcelona time
14:25IB 5337 from Rome at the gatealso LL 5337, VY 6007
07:30FR 9015 to London Stansted leaves the gate
17 h 05 apart on the timetable, overnight
FR 9015 leaves 17 h 05 after IB 5337 arrives on the timetable: more than half a day, so not a connection we count.