EI 3351 then FR 6875 at Dublin
Newcastle → Dublin → Barcelona
Timetable, Dublin time
09:55EI 3351 from Newcastle at the gate
06:05FR 6875 to Barcelona leaves the gate
20 h 10 apart on the timetable, overnight
FR 6875 leaves 20 h 10 after EI 3351 arrives on the timetable: more than half a day, so not a connection we count.