QR 47 then AA 603 at O'Hare
Liege → Chicago → Washington National
Timetable, Chicago time
18:56QR 47 from Liege at the gate
17:01AA 603 to Washington National leaves the gate
22 h 05 apart on the timetable, overnight
AA 603 leaves 22 h 05 after QR 47 arrives on the timetable: more than half a day, so not a connection we count.