Thanks Ian,
CFG do the similar, they keep the flight call sign the same but change the flight number to suit the day i.e CFG486 has a flight number of CFG1486 to show that it operates on a Monday. If you search for CFG486 on AENA you will get nothing but if you search for CFG1486 you will find it. Tomorrows CFG flights begin with 2,Wednesdays 3 etc etc. Therefore you can have the same flight call sign being used a couple of time a week going to different locations on screen each time depending on the day. Quite maddening to say the least.
Alan