Originally Posted by
IADCAflyer
As to DCA, the perimeter is 1,250 miles. There are a total of 20 round-trip beyond perimeter exemptions.
And the exemptions are often doled out with a political angle. One of the first, if not the first, was DCA-PHX on America West, not because of public demand, but because Sen. John McCain wanted to get home to Arizona for his weekends nonstop without having to trek out to Dulles.