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.
|Total CEO dies in plane crash|
|Media habits of liberals, conservatives: 'different worlds'|
|Apple profit soars on huge iPhone and Mac sales|
|Premarkets: 6 things to know before the open|
|Hong Kong leader warns poor would dominate a free vote|