`` They were very helpful and everything , but it 's frustrating . NEW : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty. `` I am profoundly sorry , '' chief executive of American Airlines says . American expects all of its MD-80 jets to be flight-worthy by Saturday night . Alaska Airlines , Midwest Airlines cancel flights Thursday for safety checks .
NEW : This means the product will ship as received by the manufacturer, sealed, with all advertised components, and with the manufacturer warranty. `` I am profoundly sorry , '' chief executive of American Airlines says . American expects all of its MD-80 jets to be flight-worthy by Saturday night . Alaska Airlines , Midwest Airlines cancel flights Thursday for safety checks .