Southwest adds 3 routes, but cuts 5 others in winter schedule extension

Southwest Airlines is making even more tweaks to its network as it extends its schedule into 2026. The Dallas-based airline will add three routes later this year, including two from one of the airline’s fastest-growing airports. This includes never-before-operated service from Nashville International Airport (BNA) to Dulles International Airport (IAD) near Washington, D.C., and to …