UX 1172 then EW 9511 at Madrid
Brussels → Madrid → Düsseldorf
Timetable, Madrid time
13:15UX 1172 from Brussels at the gate
13:10EW 9511 to Düsseldorf leaves the gate
23 h 55 apart on the timetable, overnight
EW 9511 leaves 23 h 55 after UX 1172 arrives on the timetable: more than half a day, so not a connection we count.