Core Insights - Southwest Airlines is expanding its route network by adding service to Knoxville, Tennessee, with flights starting on March 5, 2026 [1][2] - The airline will offer five daily round-trips from Knoxville, including routes to Nashville, Baltimore, Dallas, and Orlando [3][4] - The expansion is part of Southwest's strategy to enhance customer service and connectivity in key markets [2][5] Expansion Details - Knoxville will become the third airport in Tennessee for Southwest, joining Memphis and Nashville [1] - The new service includes twice-daily flights between Knoxville and Nashville, and daily flights to Baltimore, Dallas, and Orlando [3] - The addition of Knoxville is seen as a significant milestone for the local community and tourism industry [5] California Growth - Southwest is also expanding its operations in California with the opening of a new terminal at San Diego International Airport [6] - New routes from San Diego will include destinations such as Eugene, Oregon; Maui, Hawaii; and Puerto Vallarta, Mexico, starting March 5, 2026 [6] - The airline aims to increase its service offerings during peak travel seasons, including Spring Break ski destinations [7] Strategic Route Planning - Southwest is introducing new and returning routes to enhance customer itinerary options, effective March 5, 2026 [8] - The airline will offer twice-daily service on routes including Chicago (Midway) to Milwaukee, and Phoenix to Tucson [8][9] - The expansion reflects Southwest's commitment to providing extensive connectivity across its network [8]