Originally Posted by thijsseh

Yes, the availability indicates that the airline is not selling any economy seats, but plenty of business class seats are available for sale. This does not say anything about award availability, there is a separate EF query for that. But one could deduct that there is a possibility of operational upgrades (which depends on a combination of tier level and ticket type)

I always find it a bit cumbersome to copy / paste from EF on an iPad. The 44% comes from a column called 'frequency / reliability' from the description:

Frequency and Reliability

The Frequency denotes the days of the week that the particular flight operates. The Reliability is the On Time Percentage and the Average Delay in Minutes of the flight over the last two months. More detailed Flight Reliability Ratings can be found on the Travel Information page.


As far as your second question goes: There is no backwards capability as in looking for actual loads. If you want to get a feel for loads, you would need to interrogate the system on a daily basis and form a picture. I once did that for award availably on a route I was keen on. There is a possibility to save a query to help in this, but there is daily 'effort' involved in this.
If you are keen to learn more about EF, there is a 5 day free trial. Also, once you sign up, it is very easy to stop your subscription and restart it again, in other words you only pay the $9.99 for each month you want to use it. the risk is thus very small, relative to the wealth of information at your disposal.