Originally Posted by
xliioper
You should be safe, but you can follow "View trip details and ticket conditions" link to be sure. As long as flights have KL flight numbers and not DL flight numbers you are safe.
A DL flight number together with a fare that has a 'B' in the second to last character of the 8 letter fare basis code indicates a DL BE fare that earns no MQM/MQD/miles.
The fare basis codes are shown at bottom of the bottom of each direction in trip details as shown in post #3 above.
Thank you,
xliioper very useful nuance to know!