As stress on the airline industry hits an all-time high, Federal Aviation Administration officials say one way to improve airline delays is to move from using a radar-based air traffic control system to a GPS-based system called NextGen. NextGen is expected to trim flight times, reduce noise production during take off and landing, and increase air traffic safety. Follow along to see how NextGen will revolutionize airline industry, and see which airports have the worst delays. You will need to install or upgrade your Flash Player to be able to view this Flash content. Also, Javascript must be turned on.

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Eighty-five percent of flight delays are caused by the nation's outdated air traffic control system. But aviation experts warn that a proposed new $22 billion system is no silver bullet
TIME graphic by Feilding Cage
SOURCES: Federal Aviation Administration,
National Air Traffic Controllers Association,
Bureau of Transportation Statistics, UPS,
flightexplorer.com, avoiddelays.com