Which airline used the iconic tagline "Fly the Friendly Skies" for several decades in its marketing campaigns?

Transportation companies spend millions on marketing campaigns to create memorable brand identities. Their taglines become part of our cultural lexicon, often outlasting the specific products they were designed to promote. This trivia question tests your knowledge of one of the most successful airline taglines that helped transform the company's brand perception and market position. Can you match this famous tagline to the correct airline?

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United Airlines
Delta Air Lines
American Airlines
Southwest Airlines