Rank/SiteVisitors

1. MapQuest15.5

2. Google Maps12.7

3. Orbitz Worldwide Network4.8

4. Expedia4.8

5. Travelocity4.4

6. Southwest Airlines4.4

7. Google Earth3.0

8. Delta2.8

9. American Airlines2.8

10. Travelzoo2.6

EndText