FILE- In this Wednesday, April 25, 2012, airplane lands at Newark Liberty International Airport in Newark. Shares of U.S. airlines gained Monday, Aug. 20, 2012, following a successful a

 

              FILE- In this Wednesday, April 25, 2012, airplane lands at Newark Liberty International Airport in Newark. Shares of U.S. airlines gained Monday, Aug. 20, 2012, following a successful a
FILE- In this Wednesday, April 25, 2012, airplane lands at Newark Liberty International Airport in Newark. Shares of U.S. airlines gained Monday, Aug. 20, 2012, following a successful attempt to raise fares to cover the rising cost of fuel. (AP Photo/Julio Cortez)