AA has cut down its total revenue per available seat mile (TRASM) growth guidance to approx. 1-3% from the previous growth guidance of approx. 1.5-3.5%, citing the lower than anticipated domestic yields.
https://news.alphastreet.com/american-airlines-trims-outlook-airline-stocks-down/
https://news.alphastreet.com/american-airlines-trims-outlook-airline-stocks-down/