AA 562 then CK 626 at O'Hare
Portland (Oregon) → Chicago → Shanghai
Timetable, Chicago time
19:44AA 562 from Portland (Oregon) at the gate
19:24CK 626 to Shanghai leaves the gate
23 h 40 apart on the timetable, overnight
CK 626 leaves 23 h 40 after AA 562 arrives on the timetable: more than half a day, so not a connection we count.