The rule from when American airlines were regulated by the government, stating that an airline had to make their "best effort" to get you on any flight, on any airline. (See tinyurl.com/327nqn for more info on what still exists as sort of a "Rule 240" in most airlines' Conditions of Carriage documents.
by Nick1693 June 25, 2008

5 Words Related to Rule 240

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