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. https://www.nerdwallet.com/blog/credit-cards/citi-aadvantage-platinum-barclays-aviator-cards-big-changes/
blog article
CITI, BARCLAYS ROLLING OUT BIG CHANGES TO AMERICAN AIRLINES CARDS
Among the biggest shifts: As of May 1, 2019, these cards will all discontinue the benefit that allows you to receive 10% of your miles back, up to 10,000 miles per calendar year, when you redeem them. (Existing Barclays cardholders may have as long as November 2019 to take advantage of this benefit, depending on when they first opened their account.) SARA RATHNER READ MORE