OBS_VALUE: Chilean authorities do not apply the concept of slots. There is no administrative system in place and air carriers are allowed to schedule their flights simply taking into account expected delays at the busier airports. For more information, check the websites of the Civil Aeronautic General Direction: http://www.dgac.gob.cl/ecmdemo/dgac/ or the Civil Aeronautical Board: http://www.jac.gob.cl/ 