The runway to the final four

A series of bankruptcies and mergers over the last 12 years has taken what had been 10 major U.S. airlines down to four mega-carriers which dominate the market.

Graphic: Tal Yellin / CNNMoney

US Airways-American Airlines to merge

US Airways and American Airlines are joining forces in an $11 billion deal to create the world's largest airline.
Airline mergers mean lost luggage, flight delays

The history of airline deals shows that service problems increase when airlines go through mergers.

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The runway to the final four

A series of bankruptcies and mergers over the last 12 years has taken what had been 10 major U.S. airlines down to four mega-carriers which dominate the market.

US Airways-American Airlines to merge

Airline mergers mean lost luggage, flight delays