AA 552 then QR 8150 at Atlanta
Dallas-Fort Worth → Atlanta → Liege
Timetable, Atlanta time
16:32AA 552 from Dallas-Fort Worth at the gate
13:00QR 8150 to Liege leaves the gate
20 h 28 apart on the timetable, overnight
QR 8150 leaves 20 h 28 after AA 552 arrives on the timetable: more than half a day, so not a connection we count.