UK airports that fly a lot of inclusive tour flights are
Couldn't find any data for those, BTW, Bristol was the only movements by aircraft type that popped up.
and I was talking about future uses for the B747-400 when it is superceded in scheduled airline service.
To make this viable, I think you would need to change the way that IT flights operate and consolidate traffic from several operators.
Also, the reliability of older aircraft might raise a question.
But logically, I can see what you are getting at.