8
/15
Last day for United elite members to register to continue having 500-mile e-upgrades automatically converted into miles upon expiration.

/16
Last day to stay at a Choice hotel for three separate stays to earn 16,000 bonus points, enough for a $50 gas card.

/17
Last day to enter the Priority Club golf sweepstakes to win a Pro for the Day prize package that includes an all-expenses-paid trip for you and a guest, personal caddie, your name on leaderboard and more at the first annual Crowne Plaza Amateur Invitational at Colonial, Oct. 1, 2007.

/31
Last day to earn triple miles when you travel on American Airlines in first or business class (F, J, A, D or I) between New York (JFK) and London (LHR). Must register; code AALHR.

Last day to earn 2,000 Priority Club Rewards bonus points, 500 bonus miles or 50 bonus Air Miles on every second qualifying night at any InterContinental Hotels & Resorts, Crowne Plaza Hotels & Resorts, Hotel Indigo, Holiday Inn Hotels and Resorts, Holiday Inn Express, Staybridge Suites and Candlewood Suites property worldwide. Must register before booking stays.

Last day for SkyMiles members to earn 1,000 bonus miles and 1,000 Medallion Qualification Miles when booking their Avis or Budget car rental through delta.com or a Delta reservation agent.