delta Unpublished Fare Mileage Earn Table

Tickets purchased directly through Delta are considered “published fares” and receive full mileage credit based on the SkyMiles program rules.
Effective September 1, 2012, a small number of special fares (often referred to as “unpublished fares”) now earn miles at a reduced rate. Unpublished fares are normally purchased through a specialized agent, third party or to a group.
Examples of Unpublished fares include:
Student fares
Consolidator fares
Flights included as part of a cruise package
Discounted tour packages
Group fares
Effective for unpublished fares purchased on or after September 1, 2012, mileage accrual will be calculated as follows:

Unpublished Fare Mileage Earn Table
*500 minimum mileage does not apply. (1) Miles and MQMs earned only for Z class revenue tickets purchased on or after March 2, 2013 for travel on or      after March 6, 2013. S class is no longer a Business Class fare as of March 6, 2013. Miles and MQMs earned      only for G class revenue tickets purchased on or after March 19, 2013 for travel on or after March 20, 2013. (2) W class available only on flights operated by Air France and Virgin Australia. (3) Miles and MQMs earned for Economy Class S fares purchased on or after March 19, 2013 for travel on or after      March 20, 2013. (4) Miles and MQMs earned for X and V class revenue tickets purchased on or after March 19, 2013 for travel on or      after March 20, 2013. Special / unpublished Fares purchased in the Asia Pacific Region are excluded and will continue to earn full mileage based on SkyMiles program rules. See terms and conditions for the definition of the Asia Pacific Region. Other exceptions may apply, please be sure to contact your ticketing agent for details.
Unpublished Fare Class of Service	Miles*	MQMs*
First/Business - J, C, D, I, Z, F, A, P, G (1)	150%	100%
Premium Economy - Y, B, M, W (2)	100%	100%
Economy - S, H (3)	75%	75%
Discounted Economy - Q, K, L	50%	50%
Deeply Discounted Economy - U, T, X, V, E (4)	25%	25%