XNewsPress | Spring Forward: Southwest Airlines Gets Ready For Spring Break With More Nonstop Routes PR Newswire (press release) Baltimore/Washington and Cabo San Lucas/Los Cabos. *Subject to government approvals. New Nonstop Routes throughout the United States. Southwest also announced the beginning of new seasonal service on Saturdays effective March 9, 2019, between:. SEC FORM 4 - SEC.gov SEC FORM 4 - SEC.gov |