As the world's largest budget operator by fleet size, and one of the biggest US carriers of any kind, Southwest Airlines has an incredibly diverse route network. This consists of both domestic and international flights, with some of those serving Hawaii being nearly 3,000 miles (4,828 km) long .

However, the blue-liveried budget airline also has an important role to play on some of the shortest domestic connections in America, with two of its routes this month being under 100 miles (161 km) long. Using data from Cirium , an aviation analytics company, let's examine Southwest's shortest routes.

Colorado Is Home To Southwest's Shortest Route

According to Cirium, the shortest flights scheduled to be operated by Southwest Airlines in October of 2025 have a distance of just 72 miles

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