distance traveled in Class O American Airlines partnership took effect on January 1, 2018 credit your flights to earn Alaska miles the Alaska Mileage Plan earning rates announced some major changes ALL AA economy flights get 100% credit with Mileage Plan Earn Alaska credit for AA flights ALL AA economy flights get 100% credit with Mileage Plan American Airlines 美国航空American Airlines American Airlines partnership took effect on January 1, 2018 ALL AA economy flights get 100% credit with Mileage Plan