Economic Observation Network According to First Financial News, there has indeed been an increase in flights cancelled voluntarily since April, with Southeast Asia and Oceania being the top priority, which is not unrelated to the significant rise in oil prices. Compared to domestic airports, some international airports have higher refueling prices, and the cancellation of some routes is the first to bear the impact of demand and competition. And this situation is spreading in the global airline market, gradually changing the competitive landscape of the aviation industry and the travel choices of passengers.