http://www3.aeroplan.com/promotions/promotion_details.do?promotion=promo_webup3581_AC_TK39 Must be an Aeroplan Member. If you are not an Aeroplan Member, you can enroll online today by clicking here. Activation of new memberships may take up to 72 hours. Must register between May 27, 2013, and July 31, 2013. A one-time registration is required and can be completed on this page or by calling 1 800 342-8026. Bonus Altitude Qualifying Miles for eligible flights flown will be awarded for all bookings made and traveled between May 27 and July 31, 2013. Eligible flights for this promotion are scheduled non-stop flight activities operated by Air Canada or and under the Air Canada Express banner for travel between May 27 and July 31, 2013. To qualify, the flight segments must be traveled in the eligible fare options (booking classes) indicated: Flex (M,U,H,Q,V,W,S,K,L,T); Latitude (Y,B); Executive Class Lowest (D,Z); and Executive Class Flexible (J,C). Bonus Altitude Qualifying Miles count towards Air Canada Altitude status, however, they do not count towards the Air Canada Minimum Flight Requirement to qualify for 2014 Air Canada Altitude status nor do they count towards the Air Canada Million Mile program. Bonus Altitude Qualifying Aeroplan Miles will be credited up to three weeks after the qualifying flights are completed. The Bonus Altitude Qualifying Miles will be applied exclusively towards miles earned based on distance flown as per the fare mileage accrual rules. The class of service miles are excluded. Valid on published fares eligible for Aeroplan Mile accumulation. Offer is not valid when traveling on an Air Canada Unlimited Flight Pass. The offers are not combinable with any other Bonus Altitude Qualifying Mile /or Bonus Aeroplan Mile offers or promotions. Upgraded flight segments (eUpgrades, Last minute paid upgrades, Star Alliance Upgrade Awards, etc) will be tracked for this promotion based on the eligibility of the original Economy Class fare purchased. Flight rewards are not eligible for mileage accumulation. Bonus Aeroplan Miles and Air Canada Altitude Qualifying Miles cannot be sold and are non-transferable. They have no cash value and cannot be converted to cash or refunded if unused. Offer is subject to change at Air Canada's sole discretion without notice; other conditions and restrictions may apply.