American Airlines and British Airways have added more destinations to the growing list of markets in which they codeshare.

The “AA” code will now appear on British Airways flights to 48 codeshare destinations beyond London, including 38 points in Europe; six in the Middle East; four in Africa; and on the New York-Manchester, England, trans-Atlantic route. In all, 59 British Airways routes will have American Airlines codeshare service.

British Airways, for its part, has added 26 additional U.S. destinations to its network by placing its “BA” code on more of American’s flights within the United States and Latin America. With this latest addition, BA will have codeshare service on 90 American Airlines routes.