from american's site
as lisa says....................Aruba and its stop overs did not make the list

(such as miami, san juan, )
Hurricane Dean Travel Policy
In response to Hurricane Dean, American Airlines offers you the convenience to change your plans as shown below. Also note that per the government of the Cayman Islands, no one is allowed entrance to Grand Cayman unless they are a citizen of the Caymans or on a resident work permit.
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 travel as late as...Cancun, Mexico (CUN)
Cozumel, Mexico (CZM)
Merida, Mexico (MID)August 17-24, 2007August 17, 2007August 24, 2007Anguilla, B.W.I. (AXA)
Antigua, W.I. (ANU)
Barbados, W.I. (BGI)
Basseterre, St. Kitts (SKB)
Canouan Island, The Grenadines (CIW)
Castries, St. Lucia (SLU)
Melville Hall, Dominica (DOM)
Fort-de-France, Martinique (FDF)
Grand Cayman, Cayman Islands (GCM)
Grenada , Windward Islands (GND)
Kingston, Jamaica (KIN)
La Romana/ Casa de Campo, Dominican Republic (LRM)
Montego Bay, Jamaica (MBJ)
New Castle Vance Amory, Nevis (NEV)
Ponte-a-Pitre, Guadaloupe (PTP)
Port-au-Prince, Haiti (PAP)
Puerto Plata, Dominican Republic (POP)
Punta Cana, Dominican Republic (PUJ)
Santiago, Dominican Republic (STI)
Santo Domingo, Dominican Republic (SDQ)
St. Lucia Hewanorra , W.I. (UVF)
St. Maarten, N.A. (SXM)
Through August 22, 2007August 15, 2007August 22, 2007
If your travel includes the areas shown above during the times listed, you may also request a refund in the form of a travel voucher for non-refundable tickets.
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.