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Last day Hilton HHonors members can book award nights at the old rates before the new award chart goes into effect on Jan. 15, 2010. Most categories will be increasing about 5,000 points but the highest category 7 (old category 6) will increase by 10,000 points.

/15
Last day you can receive complimentary Silver status in bmi Diamond Club when you book a premium economy or business class flight on bmi with an American Express card. Current Silver or Gold Diamond Club members receive 10,000 elite qualifying miles.

Last day Delta SkyMiles members can earn between a 15 and 35 percent bonus when transferring Diners Club points into miles.

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Last day Red Lion R&R Club members can earn 25,000 miles with Alaska Mileage Plan, American AAdvantage, Delta SkyMiles or HawaiianMiles after staying six nights at any Red Lion hotel.

Last day Aeroplan members who register and fly selected routes on eligible fares within Canada or between Canada and the U.S. can earn up to 15,000 bonus miles.

Last day British Airways Executive Club members can receive 50 percent more miles when transferring Diners Club points into miles.

Last day Hyatt Gold Passport members can earn 3,000 bonus points on every stay starting with the second stay at Hyatt Hotels or one free night award after two eligible stays. Registration required.