AA 1290 then CA 3174 at O'Hare
Dallas-Fort Worth → Chicago → Guangzhou
Timetable, Chicago time
19:16AA 1290 from Dallas-Fort Worth at the gate
13:40CA 3174 to Guangzhou leaves the gate
18 h 24 apart on the timetable, overnight
CA 3174 leaves 18 h 24 after AA 1290 arrives on the timetable: more than half a day, so not a connection we count.