I've seen people comment on receiving extra MQM's (1.5x) for K, and L fares..and we all know this is a mistake. It happened to me on July1st on a DL flight from LGA to MCO. I received 946 MQMs + 473 Class of service bonus MQMs. This was a K fare. Of course I wasn't going to say anything.

Yesterday, the bonus MQMs disappeared from my account. I don't have a complaint since I did not deserve them in the first place, but has this happened to anyone else??