AA 2999 then CA 1054 at O'Hare
Dallas-Fort Worth → Chicago → Beijing
Timetable, Chicago time
10:05AA 2999 from Dallas-Fort Worth at the gate
09:30CA 1054 to Beijing leaves the gate
23 h 25 apart on the timetable, overnight
CA 1054 leaves 23 h 25 after AA 2999 arrives on the timetable: more than half a day, so not a connection we count.