If you didn't get the email from AirTran and are booking a flight and would like the $15 off code, let me know and I will forward the email to you.

Here are the restrictions on it:

It's Easy to Redeem.

1. Go to AirTran.com before November 29, 2010, and select travel on AirTran Airways flights between January 5 and March 31, 2011, excluding blackout dates.
2. On the payment page, select 'Discount Coupons' and enter the discount code and certificate number included above.
3. Click the 'Submit Coupon' button, and we'll recalculate your total amount due.