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  L        a  Congressional_______
        A      Research Service-






Airline Deregulation Act of 1978: Preemption


of   State Consumer Protection Laws



March 1, 2023
Recent widespread flight cancellations and delays have raised questions about the respective roles of the
states and the federal government in protecting airline consumers. In August 2022, a group of 38 state
attorneys general sent a letter to Congress arguing that the U.S. Department of Transportation (DOT) does
not adequately protect airline consumers, and urging Congress to enact legislation authorizing states to
enforce state and federal consumer protection laws against airlines. The Airline Deregulation Act of 1978
(ADA)  expressly preempts states from enacting or enforcing laws related to a price, route, or service of
an air carrier. The Supreme Court has interpreted this provision as broadly preempting the enforcement
of state laws against airlines in consumer protection contexts, thus making DOT the primary consumer
protection authority overseeing airlines. Enabling states to enforce their consumer protection laws against
airlines would thus generally require Congress to exempt such laws from preemption under the ADA.
This Legal Sidebar provides background on the ADA and federal preemption principles, and examines
how the Supreme Court has interpreted the scope of preemption under the ADA.

The  Airline Deregulation   Act of 1978
Before 1978, the Federal Aviation Act of 1958 (FAA) authorized the federal government to closely
regulate air carriers. Under the FAA, the now-abolished Civil Aeronautics Board controlled air carrier
prices, routes, and services. States also could regulate air carriers, however, because the FAA contained a
saving provision that preserved pre-existing state statutory and common-law remedies.

In enacting the ADA, Congress sought to place maximum reliance on competitive market forces to
encourage an air transportation system relying on actual and potential competition ... to provide
efficiency, innovation, and low prices. Congress thus included an express preemption provision in the
ADA  to ensure that the States would not undo federal deregulation with regulation of their own. The
current version of that provision, 49 U.S.C. § 41713(b)(1), states:

       Except as provided in this subsection, a State, political subdivision of a State, or political authority
       of at least 2 States may not enact or enforce a law, regulation, or other provision having the force


                                                                Congressional Research Service
                                                                  https://crsreports.congress.gov
                                                                                     LSB10925

CRS Legal Sidebar
Prepared for Members and


Committees of Congress

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