NEW YORK (Standard&Poor's) Sept. 18, 2014--Standard&Poor's Ratings Services today assigned its 'B-' issue-level rating and '5' recovery rating to American Airlines Group Inc.'s new $500 million senior unsecured notes due 2019. The '5' recovery rating indicates our expectation for modest (10%-30%) recovery in a payment default scenario. Subsidiaries American Airlines Inc., US Airways Group Inc., and US Airways Inc. guarantee the notes. Our existing 'B-' issue-level rating and '5' recovery rating on US Airways Group Inc.'s senior unsecured debt, which American Airlines and parent American Airlines Group guarantee, are unchanged. Our recovery rating on the senior unsecured debt factors in the possibility that American Airlines Inc. could choose to issue up to $1.8 billion of additional