This is from their website:
http://southwest.com/travel_center/katrina_update.html
New Orleans (MSY)
New Service, Travel Information, and Customer Accommodation Update
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We have begun very limited service into and out of MSY. We know that the people of New Orleans are eager to rebuild their city and Southwest Airlines is intent upon helping them do just that. Our plan is to initially operate two daily roundtrip flights between MSY and Houston Hobby (HOU). Though we cannot predict how long it will take for passenger demand to justify additional flights, we have a long history of responding to passenger demand with added flights affording reliable, dependable, low fare air service. We take pride in the knowledge that we will, as always, be a Good Neighbor to our good friends in New Orleans, and we look forward to growing incrementally with them and being part of their rebirth.
We ask our Customers traveling to/from MSY to be aware that ground transportation is limited and curfew restrictions may be in place throughout Jefferson Parish, the City of New Orleans, as well as the surrounding area. All transportation, hotel, and/or other arrangements need to be confirmed before departure. You may check the State of Louisianas official website,
http://katrina.louisiana.gov/index.htm for the latest information and assistance provided by the state government for citizens impacted by Hurricane Katrina.
You may book your travel by visiting our Reservations page, or by contacting our toll free Reservations (1-800-435-9792) for additional assistance.
As previously stated, all reservations currently held by our Customers for flights to/from MSY between September 3, 2005 and January 9, 2006 have been cancelled, and are not being reinstated. We are notifying the affected Southwest Airlines Customers via their original itinerary/receipt election of e-mail, fax, or mail about our schedule changes, and we are offering the following accommodation options:
Customers who are holding a paid reservation for any flight that has been cancelled to/from MSY between Friday, August 26, 2005 and Monday, January 9, 2006, and who have not traveled, may elect to hold their funds for future reservations or request a refund.
If the Customer's MSY cruise was cancelled, then the Customer can hold their funds for alternate travel or request a refund.
Please contact our toll free Reservations (1-800-435-9792) for additional assistance. We wholeheartedly appreciate your patience and cooperation with our efforts to accommodate your alternate travel requests.