Air China: 2 days with no sleep. I need to express my experience flying Air China. This is first and last time I will fly Air China. On April 23 I was to fly from Singapore to Beijing on CA970 after which I was to connect to AC1569 to Qingdao. I was to be giving an important business presentation in Qingdao. After being in the air approximately 20 minutes from Singapore, the passengers noticed that the cockpit reduced engine speed significantly. After another 20 minutes it was announced that we would soon be landing in Ho Chi Minh City... read full review »