Southwest saw part of its healthy lead over rival carriers eroded last week as Delta managed to add a chunk to its share of the airline website market.
Delta gained 0.75% market share week-on-week as Southwest added just 0.25% over the same period.
United lost 0.10% and American Airlines added 0.15%.
Read full story at: http://www.tnooz.com/2012/05/01/data/delta-inches-closer-to-southwest-top-us-travel-sites-april-28-2012/