JetBlue said it will add more routes from New York, Boston and Los Angeles. Across New York's three major airports, the "Northeast Alliance" (NEA) will fly more than 500 daily departures in 2023, as well as nearly 200 daily departures in Boston, the airline added.

The U.S. Justice Department, six states and the District of Columbia have called the NEA a "de facto merger" of the companies' Boston and New York operations and have sued to block the partnership.

(Reporting by Priyamvada C in Bengaluru; Editing by Shailesh Kuber)