Follow U.S. Investment Immigration and stay updated on U.S. lifestyle news: According to reports from the Associated Press on the evening of August 14, Beijing time, the United States has witnessed the most significant transformation in its airline industry over the past decade. Before 2005, there were nine major airlines in the U.S.; today, only five remain. The average inflation-adjusted domestic round-trip airfare rose from $351 in 2008 to $379 in 2012.






