How about Air China's international flights? Know almost

According to the experience of an Air China Companion Platinum Card frequent traveler, Air China's international service is generally not as good as domestic service, and the longer the journey, the worse the service. Although there are exceptions to everything, the service of the Los Angeles Line is usually the worst. It is best to go to Europe, Southeast Asia, Hongkong, Taiwan Province and even Japan. As for catering, the Los Angeles line is also the worst. Japan is the best, followed by Europe. Southeast Asia and Hong Kong and Taiwan are also general.