UA 5859 then CA 1054 at O'Hare
Flint → Chicago → Beijing
Timetable, Chicago time
09:43UA 5859 from Flint at the gate
09:30CA 1054 to Beijing leaves the gate
23 h 47 apart on the timetable, overnight
CA 1054 leaves 23 h 47 after UA 5859 arrives on the timetable: more than half a day, so not a connection we count.