Airlines companies shares mixed at the close of trading

Shares of some top airlines companies were mixed at the close of trading:

Delta Air fell $.16 or .4 percent, to $43.07.

JetBlue Airways Corp. rose $.81 or 4.2 percent, to $19.85.

Southwest Airlines Co. fell $.06 or .1 percent, to $42.76.

United Continental Holdings Inc. fell $.04 or .1 percent, to $61.01.