Frequent-flyer options for Delta flights

Flights operated by Delta can earn miles in the following frequent-flyer programs:

• Air France-KLM Flying Blue — Only 25-75% credit for discount economy. No credit for deep-discount economy.
• Alaska Airlines Mileage Plan — Check list of eligible flight numbers.
• Delta SkyMiles — As of January 1, 2015, Delta and Delta-codeshare flights earn 5 miles per USD spent on the fare (up to 11 per USD for elite-status holders), not miles based on distance flown.
• Virgin Atlantic Flying Club — Only 50-75% credit for discount economy.

Note: There may be additional exclusions for certain fare classes and routes, especially for discount economy tickets. In addition, partnerships may have changed since the last time this page was updated, so make sure to check the relevant frequent-flyer program's website for a current list.