Most major U.S. carriers for September posted lower systemwide and domestic traffic levels.

Year-over-year declines were larger within the United States, including those for American (7.1 percent), Delta (4.2 percent), United (3.9 percent) and Southwest (2.1 percent). Bucking the trend were US Airways (up 2.6 percent in the United Stated and 2 percent systemwide) and Alaska (up 5.1 percent systemwide). All four major U.S. carriers with transatlantic operations posted traffic losses on those routes, including United's 5.3 percent drop and marginal declines at American, Delta and US Airways. By comparison, Air France and IAG (British Airways and Iberia combined) reported higher traffic across the Atlantic, up 1.5 percent and 6.9 percent, respectively.