UA 2845 then CA 1020 at O'Hare
Orlando → Chicago → Shanghai
Timetable, Chicago time
20:40UA 2845 from Orlando at the gate
19:30CA 1020 to Shanghai leaves the gate
22 h 50 apart on the timetable, overnight
CA 1020 leaves 22 h 50 after UA 2845 arrives on the timetable: more than half a day, so not a connection we count.