Last day American Express Platinum and Centurion cardholders will have free 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 will be 70 points.
Last day US Airways Dividend Miles members can redeem miles for Star Alliance award flights because the following day, the airline will join the oneworld.
Last day Southwest Rapid Rewards members can earn up to quadruple points and a 35-percent discount on Hertz rentals. Use CDP code 205418 and promotion code 159062 at http://insideflyerus.wpengine.com/link/?10039.
Last day United MileagePlus members can earn up to 15,000 bonus miles when flying roundtrip on paid nonstop United flights between New York and Los Angeles or San Francisco. Register at http://insideflyerus.wpengine.com/link/?10348.
Last day Hilton HHonors members can earn double miles with Aeroplan, Alaska, American, Hawaiian, United or US Airways for Hilton HHonors portfolio stays in Hawaii. Registration is required at http://insideflyerus.wpengine.com/link/?10686.