Conclusion
Michael O’Leary and his company Ryanair have exhibit in being successful in the past and known to be not second best to anyone. While Ryanair’s cost-leadership and focus strategy is prone to unsustainability into the future to come; therefore change is inevitable for our low-cost airline to sustain without impairment. For Ryanair to flourish, it would be required to develop a unique differentiation strategy which is incomparable to its competitors, if Ryanair is to achieve an everlasting sustainable competitive advantage in today world of turbulence and instability business environment.