UA 2004 then CA 3174 at O'Hare
San Jose (California) → Chicago → Guangzhou
Timetable, Chicago time
20:32UA 2004 from San Jose (California) at the gate
13:40CA 3174 to Guangzhou leaves the gate
17 h 08 apart on the timetable, overnight
CA 3174 leaves 17 h 08 after UA 2004 arrives on the timetable: more than half a day, so not a connection we count.