The top three airline websites in the US - Southwest, Delta and American Airlines - have are now capturing almost half of all traffic to carrier websites.
The trio have 47% share of the airline category after Southwest reach 25%, Delta with 13% and AA with 10%.
Meanwhile, Travelocity was this week pushed down into fifth place amongst the top ten leading agency websites, replaced in fourth position by Cheapoair.
Most popular travel websites in the US for the week ending November 12 2011:
Agency
[table id=2614 /]
Destinations and Accommodation
[table id=2615 /]
Airlines
[table id=2616 /]
Travel search terms
[table id=2617 /]
NB: Data couresy of Experian Hitwise