Southwest Airlines is a major US airline founded in 1967 with over 58,000 employees. It has the largest domestic market share and is the world's largest low-cost carrier. The document provides information on Southwest such as its mission, culture, products/prices, service characteristics, competitors, SWOT analysis, target markets, benefits, marketing communications objectives, and integrated marketing communications plan. The plan aims to increase preference for Southwest by 10% over 6 months by emphasizing its no-change fee and bag fee benefits over competitors through an integrated campaign using PR, advertising, promotions, sales, sponsorship, direct marketing, and digital/social media. Progress will be measured through ongoing research with target markets.