UA 214 then CI 5345 at San Francisco
St Louis → San Francisco → Taipei
Timetable, San Francisco time
21:41UA 214 from St Louis at the gatealso OZ 6344, NZ 9701
16:40CI 5345 to Taipei leaves the gate
18 h 59 apart on the timetable, overnight
CI 5345 leaves 18 h 59 after UA 214 arrives on the timetable: more than half a day, so not a connection we count.