When was the Airline Deregulation Act passed?

President Jimmy Carter signed the Airline Deregulation Act into law on October 24, 1978, the first time in U.S. history that an industry was deregulated.



The Airline Deregulation Act (ADA) was signed into law by President Jimmy Carter on October 24, 1978. This was a high-value turning point in aviation history that removed federal control over fares, routes, and the entry of new airlines into the market. Before 1978, the Civil Aeronautics Board (CAB) functioned like a high-stakes gatekeeper, dictating exactly where airlines could fly and how much they could charge, effectively keeping air travel a premier luxury for the wealthy. The act led to the "democratization" of the skies, sparking intense competition that gave rise to low-cost carriers like Southwest and People Express. For 2026 travelers, the legacy of this 1978 legislation is a double-edged sword: it made flying a high-frequency, affordable reality for millions, but it also ushered in the era of "unbundling" fees and the disappearance of the legendary, all-inclusive luxury service of the pre-deregulation "Golden Age."

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Benefits of Partial Deregulation After deregulation, airlines reconfigured their routes and equipment, making possible improvements in capacity utilization. These efficiency effects democratized air travel, making it more accessible to the general public.

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The two most important consequences of deregulation have been lower fares and higher productivity. Fares. Between 1976 and 1990 average yields per passenger mile—the average of the fares that passengers actually paid—declined 30 percent in real, inflation-adjusted terms.

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Deregulation of major industries in the United States began in the 1970s and spread to the United Kingdom and, to a lesser extent, to the European continent.

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President Jimmy Carter signed the Airline Deregulation Act into law on October 24, 1978, the first time in U.S. history that an industry was deregulated.

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It is shown that deregulation in the air transport market has become a mainstream development, and that deregulation has changed aviation markets in many positive ways. Deregulation generally led to stronger competition, reduced fares, increased flight frequencies, more connections, and increased passenger numbers.

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Although all travelers are now enjoying lower fares, on average, as a result of deregulation, it is clear that travelers at large and medium hub airports have benefited more than those at small and nonhub airports.

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In the years following the Airline Deregulation Act, many employees lost their jobs, and some airlines went bankrupt —including one of the largest, Pan Am. Civil Aeronautics Authority chair Edward Nobel (center) meets with Aviation Safety Board chair Sumter Smith (right). The two groups merged in 1940 to form CAB.

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From his business experience, he knew that federal regulations made it harder and more expensive to operate and he knew that same idea could be applied to deregulating airlines. The Senate spent 23 days marking up the bill and ended up with a regulatory reform bill that eased burdens hindering the airline industry.

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Airline deregulation had begun with initiatives by economist Alfred E. Kahn in the Nixon administration, carried through the Ford administration and finally, at the behest of Ted Kennedy, signed into law by President Jimmy Carter in 1978 as the Airline Deregulation Act.

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The deregulation of transportation and telecommunications that occurred in the 1970s and 1980s succeeded in increasing competition, which lowered consumer prices and increased choices, and provided tens of billions of dollars per year in consumer benefits.

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