Are very good article about one of the major causes of delays in the current system, the antiquated air traffic control system.
http://www.popularmechanics.com/science/air_space/4219569.html
The good news, they’re in the process of replacing it. The bad news, it won’t be done until 2025.
This 68-minute US Airways Flight 2046 (yellow) uses about 275 gal. of fuel to fly 585 miles from Washington, D.C., to Boston, Mass. The same flight under NextGen (blue) would save 23 minutes, 91 gal. and 185 miles. (Illustration by Golden Section Graphics)
