AA 2120 then CI 5175 at San Francisco
Dallas-Fort Worth → San Francisco → Taipei
Timetable, San Francisco time
08:56AA 2120 from Dallas-Fort Worth at the gatealso IB 8018
21:20CI 5175 to Taipei leaves the gate
12 h 24 apart on the timetable
CI 5175 leaves 12 h 24 after AA 2120 arrives on the timetable: more than half a day, so not a connection we count.