NEW : Southwest inspects all its 737-300s aircraft after four develops hole midflight . `` There is no responsible way to speculate as to a cause at this point , '' Southwest said in a statement Monday night . Passengers describe ordeal , praise professionalism of flight crew . West Virginia -bound Southwest Flight jet makes emergency landing in Baltimore . Football-sized hole in fuselage causes cabin to depressurize , oxygen masks to drop .
NEW : Southwest inspects all its 737-300s aircraft after four develops hole midflight . Passengers describe ordeal , praise professionalism of flight crew . West Virginia -bound Southwest Flight jet makes emergency landing in Baltimore . Football-sized hole in fuselage causes cabin to depressurize , oxygen masks to drop .