American AAdvantage members can earn up to quadruple AAdvantage miles on your second, third and fourth qualifying Wyndham Hotel Group stays when registering for the promotion and booking by Jan. 16, 2015, with arrival dates by Jan. 16, 2015, and completing the stays by Jan. 23, 2015.

Normally, Wyndham Rewards members who choose to earn AAdvantage miles earn two miles per dollar spent on room rates at Wingate by Wyndham, Ramada, Days Inn, Super 8, Baymont, Microtel, Howard Johnson, Travelodge, Knights Inn and 500 miles per stay at the more upscale brands including Wyndham Hotels & Resorts, Hawthorn, TRYP by Wyndham, DREAM and NIGHT hotels. Visit http://insideflyerus.wpengine.com/link/?11819 to learn more and to register for the promotion. You’ll need to choose to earn AAdvantage miles in your Wyndham Rewards profile.

Bottom line: If your stays are at the more upscale brands listed, you’ll earn 2,000 AAdvantage miles per stay, up to four, adding up to 6,000 miles. The offer is good at all Wyndham Rewards hotels–over 7,000 worldwide.