Thu, Mar. 26, 2009 Fort Worth Star Telegram By TREBOR BANSTETTER tbanstetter@star-telegram.comSouthwest Airlines has signed a tentative contract with its flight attendants that will boost pay and benefits, the third major union deal the airline has reached in recent months. Officials with the Dallas-based airline and the Transport Workers Union signed off on the deal Thursday. Details of the accord were not yet available, but Southwest has recently negotiated agreements with pilots and mechanics that included wage increases. full article