CK 221 then UA 580 at LAX
Shanghai → Los Angeles → Houston
Timetable, Los Angeles time
10:00CK 221 from Shanghai at the gate
23:59UA 580 to Houston leaves the gate
13 h 59 apart on the timetable
UA 580 leaves 13 h 59 after CK 221 arrives on the timetable: more than half a day, so not a connection we count.