Because of Tuesday's terrorist attacks and the resulting suspension of all commercial air service, some airlines have altered their normal cancellation policies.

        Here's an airline-by-airline look, based on information supplied to AAA Cincinnati's Corporate Travel Services:

        • Delta (and Comair): Waiving all penalties for changes and refunds for travel through next Tuesday, as well as refunding partial tickets.

        • American/TWA: Full refunds on travel through next Tuesday.

        • United: Waiving all penalties for changes/refunds for travel through Sept. 25.

        • Northwest: Change and refund charges waived from Tuesday to today on travel to and from North America. Tickets can be extended up to one year without penalty or change fee.

        • Continental: Tickets for travel Wednesday were refundable. No policy set after that.

        • Southwest: Full refunds available regardless of travel date.

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