Delta has less than half the amount of share of website traffic than rival carrier Southwest, after the low cost airline made further gains last week.
Southwest added around 1.75% to its share of traffic in the airline category as Delta managed to lose 0.75% of its own.
United, in third place, remained static with a nominal decrease week-on-week.
Most popular travel websites in the US for the week ending March 23 2012:
Agency
[table id=3165 /]
Destinations and Accommodation
[table id=3166 /]
Airlines
[table id=3167 /]
Travel search terms
[table id=3168 /]
NB: Data couresy of Experian Hitwise