Last day Shangri-La Golden Circle members can redeem 25 percent fewer points for a stay in a standard room, 30 percent fewer points for a club room and 40 percent fewer points for an executive suite at Shangri-La city hotels, Kerry Hotels and Traders Hotels, excluding resorts.
Last day Delta SkyMiles Medallion complimentary upgrades will be offered on flights between New York (JFK) and Los Angeles, San Francisco or Seattle.
Last day Delta SkyMiles members who travel in economy M class fares will earn a 50 percent Medallion Qualification Miles bonus.
Last day American Express Platinum and Centurion cardholders will have complimentary access to American Airlines and US Airways airport lounges.
Last day American Express Centurion cardholders can request complimentary US Airways Platinum status, which is offered through February 2015.
Last day Southwest Rapid Rewards members can redeem 60 points per dollar for Wanna Get Away award tickets; as of March 31, the redemption amount per dollar will be 70 points.