Southwest Airlines to begin shipping internationally

Southwest Airlines Co. will begin shipping to Mexico in the Dallas-based carrier’s first foray into international cargo shipments.Southwest (NYSE: LUV) will launch the service in May, subject to necessary government approvals. Initial destinations will be Mexico City, Cancun, Cabo San Lucas/Los Cabos and Puerto Vallarta. More international destinations are planned for 2018.Cargo will move on Southwest Airlines' domestic flights and then be loaded onto international flights at gateway citie