Southwest Airlines, the nation's largest domestic carrier, begins flying outside of the borders of the U.S. on Tuesday, with flights to the Caribbean.
The expansion of service comes as part of Southwest's previously announced plan to take over the routes of its subsidiary, AirTran Airways.
Starting Tuesday, Southwest will take over AirTrans routes to the Bahamas, Aruba and Jamaica. The flights will originate from Atlanta, Baltimore, Orlando, Boston and Pittsburgh.
The airline said it will add flights to Cancun and Los Cabos, Mexico, starting Aug. 10, and to Mexico City and Punta Cana, Dominican Republic, on Nov. 2.
Details of Southwest's international service can...