DL 1139 then CA 1020 at O'Hare
Atlanta → Chicago → Shanghai
Timetable, Chicago time
20:49DL 1139 from Atlanta at the gate
19:30CA 1020 to Shanghai leaves the gate
22 h 41 apart on the timetable, overnight
CA 1020 leaves 22 h 41 after DL 1139 arrives on the timetable: more than half a day, so not a connection we count.