Delay Cause by Year,,,,,,,
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,Percent of Total Delayed Minutes,,,,,,
,"2003
(Jun-Dec)",2004,2005,2006,2007,,
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Air Carrier Delay,26.3%,25.8%,28.0%,27.8%,28.5%,,
Aircraft Arriving Late,30.9%,33.6%,34.2%,37.0%,37.7%,,
Security Delay,0.3%,0.3%,0.2%,0.3%,0.2%,,
National Aviation System Delay,36.5%,33.5%,31.4%,29.4%,27.9%,,
Extreme Weather,6.1%,6.9%,6.2%,5.6%,5.7%,,
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SOURCE: Bureau of Transportation Statistics,,,,,,,
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