Quote Originally Posted by sam View Post
what does zed fare based on mileage mean?
There are 9 ZED mileage bands (e.g., zone 1 = 0-450 miles, zone 2 = 451-750 miles ... zone 9 = 7101-9999 miles). Each mileage band is assigned fare amount, although there are several fare levels to which VX might agree to exchange bilaterally.

If you haven't already, read http://nonrev.net/content/119-what-zed-fare.html, located on the Home page of this website for an overview of ZED.