On August 14, Southwest announced at least 20 routes and a new city: Knoxville . They are outlined later in the article. Three of them stand out for being particularly short: Milwaukee-Chicago Midway , Knoxville-Nashville , and Tucson-Phoenix . They exist more or less entirely for transit traffic over what are among the evolving carrier's busiest hubs-not-hubs.

At just 70 nautical miles (120 km) each way, Milwaukee to Chicago Midway is Southwest's new second-shortest route system-wide. Only Colorado Springs-Denver covers less distance, while Kahului-Kona is marginally longer. Earlier in August, the airline inaugurated nine routes in two days , some of which covered very little ground .

Southwest's New 2nd Shortest Route

The very short link from Milwaukee to M

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