You can now earn up to 8,000 bonus Delta SkyMiles by signing up with EarthLink Internet service. You’ll automatically receive 5,000 bonus miles when you sign up for either EarthLink Dial-Up or EarthLink High Speed Internet. Then earn an additional 500 miles per month, for six months, if you remain an EarthLink subscriber. The deal ends Feb. 1, 2003.

If you’d rather have Northwest WorldPerks miles, you can earn 6,000 of them for signing up and remaining a customer for 30 days. The WorldPerks offer is good for new subscribers only.

Be sure to check out the details at the airlines’ respective Web sites.