CI 5176 then UA 1453 at San Francisco
Taipei → San Francisco → Washington
Timetable, San Francisco time
17:42CI 5176 from Taipei at the gate
16:52UA 1453 to Washington leaves the gatealso VA 8383, NZ 9169
23 h 10 apart on the timetable, overnight
UA 1453 leaves 23 h 10 after CI 5176 arrives on the timetable: more than half a day, so not a connection we count.