The average domestic round-trip airline fare in the U. S. is $361, according to the Bureau of Transportation Statistics.
根据来自美国交通运输管理局的数据，通常美国国内航班的一趟往返机票的平均票价是361美元。
Passengers on U.S. carriers’ international flights dropped 12.3% in March, the largest year-over-year decline since December 2001, the Bureau of Transportation Statistics reported.
根据美国运输统计局的报道，今年3月美国的国际航班载客量同比下跌12.3%，是2001年12月份以来的最大跌幅。
Here is the U.S. Bureau of Transportation Statistics' tally among the top 10 U.S. carriers in collecting ancillary-fee revenue in the fourth quarter of 2009.
以下是美国交通统计局发布的2009年第四季度美国十大航空公司辅助收入统计。
At $157.2 million, Southwest came in fourth among U.S. airline ancillary-fee collectors, according to a tally released May 3 by the U.S. Bureau of Transportation Statistics.
西南航空以1.572亿美元的辅助服务收入居于美国航空公司辅助收入排名中的第四位，数据来源于在5月3日由美国交通统计局（U.S. Bureau of Transportation Statistics）发布的数据年鉴。
According to Bureau of Transportation Statistics (BTS), the overall rate of on-time arrivals has improved by more than five percentage points from 2008 to 78 percent in 2009.
运输统计局(Bureau of Transportation Statistics,BTS)数据显示，航班的整体到港准点率比2008年提高了超过5%，达到2009年的78%。
According to Bureau of Transportation Statistics (BTS), the overall rate of on-time arrivals has improved by more than five percentage points from 2008 to 78 percent in 2009.
运输统计局(Bureau of Transportation Statistics,BTS)数据显示，航班的整体到港准点率比2008年提高了超过5%，达到2009年的78%。
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