I agree with you Flightrider, and the delayed publication dates of the monthly provisional airport stats seems to have started when the new website came into existence a few months ago.
It might be coincidental of course but there is no doubt that most months they are now published at least a week later, sometimes longer, than used to be the case.
There is no inherent problem in that for the avid statisticians - just have to wait a bit longer - but the layout of and journey around the new site is disappointing.