Originally Posted by zebranz

Then according to DL:
To earn toward Medallion Status with exception fares, one-fifth of the miles earned will count as Medallion Qualification Dollars (MQDs – U.S.-based Members only). For example, if you earn 1,500 “redeemable” miles on an exception fare, you would also earn 300 MQDs on that fare.

Medallion Qualification Miles (MQMs) and Medallion Qualification Segments (MQSs) are earned the same way you earn on regular tickets.

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My Expedia tickets (even though on DL as 1st carrier) were not 006 stock.