QR 47 then AA 864 at O'Hare
Liege → Chicago → Charlotte
Timetable, Chicago time
18:56QR 47 from Liege at the gate
16:40AA 864 to Charlotte leaves the gate
21 h 44 apart on the timetable, overnight
AA 864 leaves 21 h 44 after QR 47 arrives on the timetable: more than half a day, so not a connection we count.