American Airlines has announced a new promotion under its AAdvantage rewards program, titled 'Main Cabin Energy'. This offer allows members to book one-way domestic flights at reduced mileage rates. Over one million Main Cabin seats on domestic and transatlantic flights are available through this initiative, which can be redeemed on the airline's website until May 28.

The promotional seats are exclusively for AAdvantage members. American Airlines, a major U.S. airline and founding member of the oneworld Alliance, offers numerous daily flights to over 350 destinations across more than 60 countries. The alliance facilitates cross-compatible rewards among participating airlines.

In the announcement, it was noted that there will be no blackout dates in August and September, making seats accessible throughout the promotion period as long as they remain available. The discounted Main Cabin reward seats for domestic flights (excluding Alaska and Hawaii) require 5,000 AAdvantage miles each. Transatlantic routes start at 15,000 miles. Travel bookings can be made for any day of the week during August and September.