AA 2524 then CA 1056 at O'Hare
San Francisco → Chicago → Shanghai
Timetable, Chicago time
21:38AA 2524 from San Francisco at the gate
21:15CA 1056 to Shanghai leaves the gate
23 h 37 apart on the timetable, overnight
CA 1056 leaves 23 h 37 after AA 2524 arrives on the timetable: more than half a day, so not a connection we count.