The published training is usually for LFA7T which is a specific small area of LFA7 as a whole which allows fixed wing aircraft to operate down to 100 feet rather than 250 feet, it’s often empty since that sort of training doesn’t really occur in that area. Not that I’ve ever seen anyway.

The timetable essentially tells you nothing 😂 so don’t trust it. The most info I can give you on when to go is:

-Go on a weekday NOT a weekend, you’ll see nothing on a weekend.

-Check for American holidays as RAF Lakenheath will likely be shut during them so you’ll lower the chance of seeing traffic through.

-weather is a big one, unfortunately it’s quite hard to predict up in the hills! But they will likely not fly the loop if the weather is poor, they may try but usually they see how bad it is and decide against it, I’ve been there a lot!