NEW YORK (Standard&Poor's) April 10, 2008--Standard&Poor's Ratings Services said today that it does not expect American Airlines Inc.'s (B/Negative/--) widespread flight cancellations to have an impact on its ratings on American or parent AMR Corp. (B/Negative/B-3), unless the disruptions are prolonged or more serious. We revised our outlook on AMR and American to negative from positive, and lowered our short-term rating on AMR to 'B-3' from 'B-2' on March 24, 2008. Still, AMR is likely to suffer a noticeable financial impact in the second quarter, mostly because of lost revenue and the cost of rebooking delayed passengers. The scale of the cancellations is beyond what would be caused by major storms affecting an airline's hub, the