I went to AA website and it states the dates that you are flying and what can be changed in those time periods. See below. More info on their website
www.aa.comCustomers who were scheduled on a flight that was cancelled may request a full refund or may apply the value of their ticket towards future travel on American Airlines. Additionally, customers scheduled to travel on any MD-80 flight from April 8 - 13, even if their flight has not been cancelled, may rebook without a change fee to any AA flight with availability in the same cabin as long as their travel begins by April 17, as shown below:
If you are traveling to, from or through... On the following dates... And your ticket was issued no later than... You may change your reservation to begin travel as late as...
Cities served by MD-80 aircraft April 8-13, 2008 April 8, 2008 April 17, 2008
One ticketed change is allowed, and no change fee will apply.
For assistance, contact our Reservations personnel at 1-800-433-7300 within the United States or Canada. If you are calling from outside the United States or Canada, please check our Worldwide Reservations Numbers page for Reservations contact information