UA 2185 then CA 1018 at O'Hare
Burlington (BTV) → Chicago → Shanghai
Timetable, Chicago time
18:53UA 2185 from Burlington (BTV) at the gate
18:40CA 1018 to Shanghai leaves the gate
23 h 47 apart on the timetable, overnight
CA 1018 leaves 23 h 47 after UA 2185 arrives on the timetable: more than half a day, so not a connection we count.