The best time to sell American Airlines miles is during peak travel demand cycles—specifically 11 months in advance (when the "award calendar" first opens) or 2 to 4 weeks before a departure. Selling during these high-demand windows, or during peak seasons like summer and the winter holidays, allows you to capture the highest market rates, often pushing your payout toward 1.2 cents per mile or more. Understanding the "Why" Behind the "When" If you’ve been sitting on a stash of AAdvantage miles, you’re essentially holding a form of private currency. But unlike the dollar in your pocket, the value of airline miles isn't fixed. It breathes with the travel market. Think of it like selling an umbrella: you’ll get a much better price during a downpour than you will on a perfectly sunny Tuesday. In the world of mileage brokering, "rainy days" are actually the high-demand travel seasons. When thousands of people are trying to book a last-minut...