UA 2007 then CA 1020 at O'Hare
Guatemala City → Chicago → Shanghai
Timetable, Chicago time
18:15UA 2007 from Guatemala City at the gate
08:17CA 1020 to Shanghai leaves the gate
14 h 02 apart on the timetable, overnight
CA 1020 leaves 14 h 02 after UA 2007 arrives on the timetable: more than half a day, so not a connection we count.