The all-conquering web trio of Expedia, Southwest and TripAdvisor are continuing their dominance at the head of the leading travel websites in the US.
The three brands sit at the head of the agency, destination and accommodation, and airline categories respectively.
TripAdvisor has more than double the market share of its category than second placed Hotels.com, while Delta is over 10% market share behind Southwest.
Read full story at: http://www.tnooz.com/2012/06/07/data/expedia-tripadvisor-and-southwest-on-top-top-us-travel-sites-full-month-may-2012/