Southwest Airlines has pushed forward over rivals Delta and American Airlines, capturing nearly 22% of the airline website category in the US.
The low cost carrier has almost as much market share as the second and third placed airlines combined (12 and 10.5% for Delta and AA respectively) and more than JetBlue, Continental and US Airways put together.
Most popular travel websites in the US for the week ending July 9 2011:
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Destinations and Accommodation
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Travel search terms
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NB: Data couresy of Experian Hitwise