AA 2642 then CA 1056 at O'Hare
San Francisco → Chicago → Shanghai
Timetable, Chicago time
21:50AA 2642 from San Francisco at the gate
21:15CA 1056 to Shanghai leaves the gate
23 h 25 apart on the timetable, overnight
CA 1056 leaves 23 h 25 after AA 2642 arrives on the timetable: more than half a day, so not a connection we count.