Delta SkyMiles Platinum Check Card
|Limitations||Annual fee||Reward formula||Cap||Expiration|
|Signature-based only||$55||1 mile for every $1 spent||No limit||2 years — see notes|
Bonus miles: Until June 30, 2010, earn 10,000 bonus miles after your 1st signature purchase.
Qualifying purchases: Signature-based purchases, Internet purchases, phone or mail order purchases and automatic bill payments.
Expiration: Miles will not expire as long as you participate in one of the following activities at least once every two years — earn or redeem miles, purchase miles, receive miles through SkyMiles Gift Miles or transfer miles. Accounts with no activity for 12 consecutive months after enrollment will be deleted.