QR 47 then AA 3785 at O'Hare
Liege → Chicago → Allentown
Timetable, Chicago time
18:56QR 47 from Liege at the gate
14:35AA 3785 to Allentown leaves the gate
19 h 39 apart on the timetable, overnight
AA 3785 leaves 19 h 39 after QR 47 arrives on the timetable: more than half a day, so not a connection we count.