Which airline's loyalty program, launched in 1981, is widely credited as the first modern frequent flyer program that revolutionized customer retention in transportation?

Customer loyalty programs have transformed the transportation industry, particularly in airlines and other transit services. They've changed how consumers choose their travel providers and have become sophisticated tools for data collection and customer retention. This trivia question explores a pivotal moment in transportation loyalty program history that shaped the entire industry's approach to customer engagement.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

American Airlines (AAdvantage)
United Airlines (Mileage Plus)
British Airways (Executive Club)
Delta Air Lines (SkyMiles)