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It is complicated, but American cannot be sued for its abusive actions with regard to frequent flyer miles except for breach of contract. If you read the terms and conditions, American does not agree to give you the time of day. There are theories that might work, but an attorney would have hard work to create the case.

However, the U.S. Department of Transportation under 49 U.S.C. §41712 has a process for filing a complaint about what American is doing. "The Secretary may investigate and decide whether an air carrier, foreign air carrier, or ticket agent has been or is engaged in an unfair or deceptive practice or an unfair method of competition in air transportation or the sale of air transportation."

American has set up its frequent flyer mile program so that its members have no rights and then abuses them claiming that American has all sorts of rights.

With regard to frequent flyer miles, American has step itself up as the law maker, the police, the courts and the executioner.