If you have booked your flights through date fee and you want to change your prepone or postpone your flights due to some reasons then change policy of westjet airlines will help in best way possible. If you make changes before 60 days of the date of flight booked then you will have to face less charges for changing your flight details then the charges faced after 60 days of the date of flight booked. The services provided by the airlines are really very nice and their assistance is just awesome.