QR 8166 then AA 4527 at O'Hare
Liege → Chicago → Baltimore
Timetable, Chicago time
02:45QR 8166 from Liege at the gate
14:50AA 4527 to Baltimore leaves the gate
12 h 05 apart on the timetable
AA 4527 leaves 12 h 05 after QR 8166 arrives on the timetable: more than half a day, so not a connection we count.