A surprising alliance forms in the sky, as two airline giants join forces. What secrets does their partnership hold?

United Airlines and JetBlue have announced a partnership that will shake things up for flyers. (Mario Tama/Getty Images) United and JetBlue have announced a Blue Sky partnership.

Democratic Senator Richard Blumenthal said a proposed partnership between United Airlines and smaller JetBlue Airways could harm competition and lead to fewer and more expensive options for consumers.

JetBlue JBLU and United Airlines Holdings Inc. UAL unveiled a wide-ranging partnership on Thursday to expand customer benefits, loyalty rewards, and travel options across both airlines’ networks.

United Airlines has a new friend in Queens. The airline plans to return to New York's John F. Kennedy International Airport again, this time through a new partnership with JetBlue Airways. The ...

United Airlines and JetBlue recently launched a new partnership, Blue Sky. Passengers can now earn and redeem reciprocal loyalty and award benefits with each carrier.

United Airlines Holdings Inc. and JetBlue Airways Corp. disputed claims that their proposed partnership should be blocked because it would quash competition and raise fares, arguing that the Blue ...

United Airlines and JetBlue JBLU-3.69%decrease; red down pointing triangle Airways are entering a partnership that will expand JetBlue’s reach and pave the way for United to resume flights at ...

JetBlue's leaders have long said they need a partnership to better compete against larger airlines like United and their shared rival Delta Air Lines, the most profitable U.S. carrier. Money ...