For U.S. credit card users focused on oneworld, two airline loyalty programs stand out for earning elite status through credit card spending: American Airlines AAdvantage and Atmos Rewards. Both programs allow credit card spending to help you earn elite status, but they work very differently. AAdvantage has the advantage if your primary goal is reaching … Continue reading American AAdvantage vs. Atmos Rewards｜Which Is Faster for Earning oneworld Emerald?