Which transportation company revolutionized customer loyalty by introducing the first airline frequent flyer program that became the model for the entire industry?

Loyalty programs have transformed how transportation companies engage with customers, evolving from simple punch cards to sophisticated digital ecosystems. These programs not only incentivize repeat business but also provide valuable data insights on travel patterns and preferences. In the competitive transportation industry, which company pioneered a game-changing approach to customer loyalty? Test your knowledge of transportation industry innovation!

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American Airlines with AAdvantage (1981)
United Airlines with Mileage Plus (1979)
Delta Air Lines with SkyMiles (1983)
Pan American World Airways with WorldPass (1980)