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Southwest Airlines has expanded its network with the launch of six new transcontinental routes from Baltimore/Washington International Thurgood Marshall Airport. On June 5, the airline inaugurated flights to Long Beach, Ontario, Portland, San Francisco, San Jose, and Seattle. These additions make Baltimore the fourth-busiest airport in Southwest's network based on daily aircraft movements.
The airline's expansion includes two destinations—Long Beach and Ontario—that have not previously had nonstop service from Baltimore. Notably, this marks the first time Ontario has had direct flights from the Greater D.C. area. "It is even more significant than this," according to Cirium Diio data and US Department of Transportation information.
The new routes contribute to a total of 77 routes served by Southwest from Baltimore in June, which will increase to 78 later in the year with seasonal Los Cabos flights resuming in November and December.
