U2 2705 then FR 8231 at Barcelona
Bristol → Barcelona → London Stansted
Timetable, Barcelona time
09:50U2 2705 from Bristol at the gate
06:20FR 8231 to London Stansted leaves the gate
20 h 30 apart on the timetable, overnight
FR 8231 leaves 20 h 30 after U2 2705 arrives on the timetable: more than half a day, so not a connection we count.