EW 9394 then FR 3977 at Dublin
Düsseldorf → Dublin → Barcelona
Timetable, Dublin time
12:10EW 9394 from Düsseldorf at the gate
08:50FR 3977 to Barcelona leaves the gate
20 h 40 apart on the timetable, overnight
FR 3977 leaves 20 h 40 after EW 9394 arrives on the timetable: more than half a day, so not a connection we count.