15% Off Cross-Country Flights on AA

American's latest promotion is offering 15% off flights from New York City, Boston and Washington D.C. to San Francisco, Seattle, San Diego and Los Angeles.

This deal is available for travel from February 25, 2008 through May 23, 2008, but there are blackout dates which include March 7-9, March 14-16, March 21-24, March 28-30, April 18-21 and April 25-27.

A one night minimum stay is required and the minimum base fare of the round-trip flight must be at least $200 before the discount.

Reservations must be made via the American Airlines website using the promotion code DFFLYAA1 by February 15, 2008.