UA 1275 then CI 5115 at LAX
Cancún → Los Angeles → Taipei
Timetable, Los Angeles time
17:34UA 1275 from Cancún at the gate
16:25CI 5115 to Taipei leaves the gate
22 h 51 apart on the timetable, overnight
CI 5115 leaves 22 h 51 after UA 1275 arrives on the timetable: more than half a day, so not a connection we count.