Morales v. Trans World Airlines, Inc.

504 U.S. 374·1992

What the Court Decided

Held that the ADA preempted state enforcement of fare advertising guidelines because they related to airline rates, giving expansive meaning to the phrase 'related to.'

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Cited In

Montgomery v. Caribe Transport II, LLC

2025 Term · 24-1238

Established that the Airline Deregulation Act's 'related to' preemption clause has broad sweep, preempting state laws having a connection with airline rates, routes, or services; respondents argue the identical FAAAA language should be read just as broadly.

Chevron USA v. Plaquemines Parish

2025 Term · 24-813

Cited for the proposition that 'relating to' is a very broad term of substantial breadth, which Congress used knowing this Court's interpretation when it amended the Federal Officer Removal Act in 2011.