Changing the date/time of an award ticket is allowed if the request is made more than 3 hours prior to departure.
Less than 3 hours - Award date/ time changes requested less than 3 hours before flight departure will not be accepted, and will be considered as no-show. Qmiles will be forfeited; only Airport and Government taxes will be refunded. This applies to all membership levels and to all cabin classes.
Between 3 and 24 hours - Award date/time changes requested between 3 hours and 24 hours before flight departure are subject to a US$100 administration fee per ticket. Platinum and Gold main members are exempted from this fee.
More than 24 hours - Award date changes requested more than 24 hours in advance of the flight departure are subject to a US$25 administration fee per ticket. Platinum and Gold main members are exempted from this fee.
For more details on redemption fees, please click here