UX 1146 then EW 9511 at Madrid
Porto → Madrid → Düsseldorf
Timetable, Madrid time
13:45UX 1146 from Porto at the gatealso AZ 2428, AM 6855, SV 6975, EY 7524, AD 7873, SK 8383
13:10EW 9511 to Düsseldorf leaves the gate
23 h 25 apart on the timetable, overnight
EW 9511 leaves 23 h 25 after UX 1146 arrives on the timetable: more than half a day, so not a connection we count.