QR 47 then AA 1812 at O'Hare
Liege → Chicago → Miami
Timetable, Chicago time
18:56QR 47 from Liege at the gate
16:43AA 1812 to Miami leaves the gate
21 h 47 apart on the timetable, overnight
AA 1812 leaves 21 h 47 after QR 47 arrives on the timetable: more than half a day, so not a connection we count.