Originally Posted by
shotb83
I am wondering if it is because I cross the dates of the FB programme changeover, fly out 29/3 and return 3/4.
No, that is not the reason (see below). That is Easter weekend and a very busy travel weekend - I am sure many more FT'ers will be flying on KLM on the weekend of the changeover:
How Serious a Holiday is Easter/Easter Monday in Amsterdam?
Can you show us what is displayed under the heading "Flying Blue Miles" when you view your booking on the KLM website? Be sure to redact/cut out all personal identifying information before posting.