IB 312 then EW 9511 at Madrid
Mexico City → Madrid → Düsseldorf
Timetable, Madrid time
17:10IB 312 from Mexico City at the gatealso CX 1786, BA 4239, AY 5555, EI 5878, QR 6967, CZ 7338
13:10EW 9511 to Düsseldorf leaves the gate
20 h apart on the timetable, overnight
EW 9511 leaves 20 h after IB 312 arrives on the timetable: more than half a day, so not a connection we count.