NEW : The situation at American 's hub at O'Hare International Airport in Chicago , Illinois , `` was what you might see on a normal Thursday morning , '' CNN 's Susan Roesgen reported . American Airlines ' s flights will be canceled Friday . ` ` I am profoundly sorry , '' chief executive of American Airlines says . American expects all of its MD-80 jets to be crash - worthy by Friday night . Alaska Airlines , Midwest Airlines cancel flights Thursday for safety checks .
NEW : American Airlines ' s flights will be canceled Friday . ` ` I am profoundly sorry , '' chief executive of American Airlines says . American expects all of its MD-80 jets to be crash - worthy by Friday night . Alaska Airlines , Midwest Airlines cancel flights Thursday for safety checks .