AA 3075 then QF 7554 at O'Hare
Los Angeles → Chicago → Dallas-Fort Worth
Timetable, Chicago time
16:34AA 3075 from Los Angeles at the gate
13:37QF 7554 to Dallas-Fort Worth leaves the gate
21 h 03 apart on the timetable, overnight
QF 7554 leaves 21 h 03 after AA 3075 arrives on the timetable: more than half a day, so not a connection we count.