Delta.com is currently running a promotion whereas you can earn a 15% mileage bonus for transferring Membership Rewards points to your SkyMiles account between October 15, 2007 and November 30, 2007. You can see in more details with full terms & conditions.

Get your mileage bonus in two easy steps:

1. Register for this limited-time offer.
2. Transfer Membership Rewards points to your SkyMiles account.