Eat up! For a limited time, members of American AAdvantage and US Airways Dividend Miles can add miles to their accounts while adding inches to their belts. Through their partnerships with Rewards Network, these programs are offering more miles for your restaurant bills. Through Aug. 31, AAdvantage members can earn 500 bonus miles for their first two qualifying meals, and an additional 500 miles after the fourth qualified dine, for a total of 1,000 miles. Members will be entered automatically in a sweepstakes to win one of five travel packages. Through Sept. 30, Dividend Miles members can earn 250 bonus miles for up to four qualifying dines of $15 or more each, up to a maximum of 1,000 bonus miles.