The whole system was turned upside down, however, by the arrival of the low-cost carriers. Ryanair no frills flying going in the early 90s, modeling itself on the American budget airline, Southwest Airlines. easylet was quick to follow, and since then the idea of getting on a plane the same way you would get on a coach has really taken off with Germanwings, Smart Wings, BMI Baby, Vueling, and a hundred others. The rest is history, with traditional airlines going deeper and deeper into crisis in this first decade of the new millennium