US Airways and American Airlines are joining forces in an $11 billion deal to create the world's largest airline.
The history of airline deals shows that service problems increase when airlines go through mergers.
|Marissa Mayer's payday: 4 years, $219 million|
|Venezuela: McDonald's forced to halt Big Mac sales|
|Can Waiting Until 70 to Claim Social Security Be a Big Blunder?|
|'Shark Tank' star Daymond John: High-tech hearing aids changed my life|
|Kristen Bell releases first ever photos from $142 wedding to Dax Shepard July 25|