American Airlines is beginning to offer premium economy on a growing number of domestic flights. As a result, the carrier is changing its complimentary upgrade policy.
On certain domestic routes, the airline will limit business-class upgrades for AAdvantage elite status members
Beginning Aug. 25, if you're booked in economy, you can get upgraded to a premium economy seat — but not a lie-flat, business-class seat, as the carrier currently allows.
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