AA 4643 then QF 7554 at O'Hare
Norfolk → Chicago → Dallas-Fort Worth
Timetable, Chicago time
13:52AA 4643 from Norfolk at the gate
13:37QF 7554 to Dallas-Fort Worth leaves the gate
23 h 45 apart on the timetable, overnight
QF 7554 leaves 23 h 45 after AA 4643 arrives on the timetable: more than half a day, so not a connection we count.