Thank you number_6. DL's SM does offer double status miles (MQM) for D, but only 1.5x redeemable miles. Also, DL offers 500 miles minimum on short segments, but OK offers 1000 miles minimum.
How does DL count miles for million mile qualification? BIS miles (like UA), MQMs, redeemable miles (like AA)? Do miles flown on other ST airlines count toward million mile qualification?
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