The company’s chief commercial officer, Virasb Vahidi, said the reductions were aimed at ensuring a reliable schedule for customers given anticipated pilot retirements in the fourth-quarter.American Airlines is being touted as the most likely big U.S. airline to go bankrupt, but the sum of its hardships — high labor costs and weak cash flow — are not expected to result in an imminent Chapter 11 filing.The company said it expects full-year mainline capacity to rise by 0.4 percent, from a year ago, and consolidated capacity to rise by about 1.2 percent.