FR 10 then IB 755 at Madrid
Dublin → Madrid → Düsseldorf
Timetable, Madrid time
21:15FR 10 from Dublin at the gate
16:20IB 755 to Düsseldorf leaves the gatealso LA 1775, VY 5080, AT 5471, AA 8664
19 h 05 apart on the timetable, overnight
IB 755 leaves 19 h 05 after FR 10 arrives on the timetable: more than half a day, so not a connection we count.