American Airlines ($AAL@US) posted a $10 million profit in the first quarter, a significant boost from the $1.64 billion loss in the same period last year. Adjusted earnings per share were 5 cents, hitting analysts' expectations, and revenue rose by 37% to $12.19 billion, in line with analyst estimates. American forecasts adjusted earnings per share of $1.20 to $1.40 for the second quarter. The company expects its revenue per available seat mile to decrease by 2 percent to 4 percent compared to last year, despite increasing its overall capacity by up to 5.5 percent. American CEO Robert Isom noted that late aircraft deliveries from manufacturers are hindering the carrier's growth.