DL 1139 then CA 1018 at O'Hare
Atlanta → Chicago → Shanghai
Timetable, Chicago time
20:49DL 1139 from Atlanta at the gate
18:40CA 1018 to Shanghai leaves the gate
21 h 51 apart on the timetable, overnight
CA 1018 leaves 21 h 51 after DL 1139 arrives on the timetable: more than half a day, so not a connection we count.