The US Justice Department filed a lawsuit Tuesday to block the alliance between American Airlines and JetBlue that it says will harm travelers by reducing competition.
"In an industry where just four airlines control more than 80 percent of domestic air travel, American Airlines' 'alliance' with JetBlue is, in fact, an unprecedented maneuver to further consolidate the industry," Attorney General Merrick B. Garland said in a statement.
Attorneys general in six states and the District of Columbia joined the lawsuit over the Northeast Alliance.
The companies announced the deal in July 2020 at a time when airlines were struggling to survive amid the collapse of travel during the Covid-19 pandemic. It would consolidate routes through Boston and the three New York airports.
But Garland said the deal "would result in higher fares, fewer choices and lower quality service if allowed to continue."
The complaint notes that American is the largest airline in the world, and together with competitors Delta, United and Southwest controls nearly all US passenger air travel.
Unable to complete former mergers, American "has relentlessly pursued a strategy of industry consolidation in the United States and around the world," the statement said.
American Airlines Chairman and CEO Doug Parker said the alliance has delivered "clear consumer benefits."
"Ironically, the Department of Justice's lawsuit seeks to take away consumer choice and inhibit competition, not encourage it," Parker said in a statement, adding that company will be "vigorously rebutting the DOJ's claims."
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