Airlines companies shares down at 10 a.m.

IndustriesAssociated Press

Shares of some top airlines companies are down at 10 a.m.:

Delta Air fell $.47 or 1.2 percent, to $38.13.

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JetBlue Airways Corp. fell $.16 or 1.4 percent, to $10.74.

Southwest Airlines Co. fell $.23 or .8 percent, to $27.48.

United Continental Holdings Inc. fell $.37 or .9 percent, to $39.51.