BA 506 then EW 9603 at Lisbon
London Heathrow → Lisbon → Düsseldorf
Timetable, Lisbon time
14:55BA 506 from London Heathrow at the gate
13:30EW 9603 to Düsseldorf leaves the gate
22 h 35 apart on the timetable, overnight
EW 9603 leaves 22 h 35 after BA 506 arrives on the timetable: more than half a day, so not a connection we count.