EW 9464 then AA 9600 at Heathrow
Düsseldorf → London → Chicago
Timetable, London time
13:05EW 9464 from Düsseldorf at the gate
13:00AA 9600 to Chicago leaves the gate
23 h 55 apart on the timetable, overnight
AA 9600 leaves 23 h 55 after EW 9464 arrives on the timetable: more than half a day, so not a connection we count.