MADRID, SPAIN - SEPT 7: Delta Airlines, worlds largest scheduled passenger carrier since Oct 2008 flies 4,000 flights daily, is loading B767-400ER plane at Madrid Barajas Airport, Sept 7,2010.
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MADRID, SPAIN - SEPT 7: Delta Airlines, worlds largest scheduled passenger carrier since Oct 2008 flies 4,000 flights daily, is loading B767-400ER plane at Madrid Barajas Airport, Sept 7,2010.