One of the reasons U.S. Airways has had such a rocky time over the years is because of all its purchases and mergers. In order to strengthen itself, U.S. Airways allied with various other carriers with different regional and national strengths, but those multiple mergers proved its downfall. It was always hard to manage all of the different planes in the combined company.
When new airline carriers start from scratch they purchase one, maybe two types of plane. The parts work for all the planes, the maintenance for all planes is the same, engines come from one manufacturer, training for pilots is simplified, and there is less complexity in the day-to-day management. It is a very efficient way to run an airline. U.S. Airways, on the other hand, was the maestro of a cacophony planes, maintenance operations, equipment, and people trained in the various aspects of this patched together airline. Not efficient.
Ford Motor Company has made a decision to manufacture one of its car models — the Fiesta — the exact same way in every country around the world. That’s efficient. For the most part this is how