UA 1896 then CA 1018 at O'Hare
Dallas-Fort Worth → Chicago → Shanghai
Timetable, Chicago time
23:15UA 1896 from Dallas-Fort Worth at the gate
22:35CA 1018 to Shanghai leaves the gate
23 h 20 apart on the timetable, overnight
CA 1018 leaves 23 h 20 after UA 1896 arrives on the timetable: more than half a day, so not a connection we count.