IB 716 then EW 9511 at Madrid
London Heathrow → Madrid → Düsseldorf
Timetable, Madrid time
14:50IB 716 from London Heathrow at the gatealso VY 5003, QR 6861, BA 7069, AA 8603
13:10EW 9511 to Düsseldorf leaves the gate
22 h 20 apart on the timetable, overnight
EW 9511 leaves 22 h 20 after IB 716 arrives on the timetable: more than half a day, so not a connection we count.