If an airline is at the peak of perfornmance and now is growing at a decreasing rate, what do you suggest, Change management or Change leadership ?

To the answer to the question is not in change management or project management, the two primary methods leaders can use to guide organizational change over the past decade of marginal performance. Both are proven and effective methods for developmental and transitional change, but woefully insufficient for transformation changes. And herein lays the problem: today, most organizations are going through transformation. And it is good, as global economic is struggling change could be a better idea or it might hurt the organization in longer run.