DL 2804 then CA 1056 at O'Hare
Boston → Chicago → Shanghai
Timetable, Chicago time
22:36DL 2804 from Boston at the gate
21:15CA 1056 to Shanghai leaves the gate
22 h 39 apart on the timetable, overnight
CA 1056 leaves 22 h 39 after DL 2804 arrives on the timetable: more than half a day, so not a connection we count.