Which transportation loyalty program innovation did United Airlines introduce in 1979 that fundamentally changed how travel companies approach customer retention?

Airline loyalty programs revolutionized how transportation companies retain customers and have since been adopted across the industry. From frequent flyer miles to ride-sharing rewards, transportation companies invest billions in these programs annually. These systems not only drive customer retention but have become profit centers themselves, with some airlines valuing their loyalty programs higher than their core transportation business. Test your knowledge about these crucial customer engagement tools that have transformed the transportation landscape.

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The first frequent flyer program (Mileage Plus) that awarded actual miles flown
The first subscription-based unlimited travel model
The first co-branded credit card that earned travel points
The first digital loyalty app that tracked passenger journeys