DL 1634 then CA 8414 at O'Hare
Los Angeles → Chicago → Shanghai
Timetable, Chicago time
23:55DL 1634 from Los Angeles at the gate
20:45CA 8414 to Shanghai leaves the gate
20 h 50 apart on the timetable, overnight
CA 8414 leaves 20 h 50 after DL 1634 arrives on the timetable: more than half a day, so not a connection we count.