The Justice Department heads to court in Boston on Tuesday in hopes of undoing a year-and-a-half-old pact between American Airlines and JetBlue Airways in the Northeast U.S.
The carriers argue the deal allows them to better compete against larger airlines. But the Biden administration contends the agreement is effectively a merger that will drive up fares. Last September, the Justice Department along with the attorneys general of six states and the District of Columbia sued to block the…