"Sam Spade" wrote in message
...

Lack of runways, lack of proper runway configuration due to politics and
revamping (again and again) of lighted-airway-days airports.

If every major airport was like Denver, we would have a lot less problems.
Obviously, that is an unobtainable ideal, but we could do a whole lot
better than we are doing.


And all of that, and more, was ascertained at US government expense almost
six decades ago.