UA 3015 then CK 228 at O'Hare
San José (Costa Rica) → Chicago → Shanghai
Timetable, Chicago time
14:31UA 3015 from San José (Costa Rica) at the gate
04:00CK 228 to Shanghai leaves the gate
13 h 29 apart on the timetable, overnight
CK 228 leaves 13 h 29 after UA 3015 arrives on the timetable: more than half a day, so not a connection we count.