Originally Posted by
oliver2002
It seems the CEO of DL made some comments in 2018 that give some insight. He wanted all riff raff that is not a skyteam partner or otherwise aligned to DL out of T4. In that call he mentioned that AF is contractually bound to T1 (it was one of the JV partners that built/operate T1)
So it is unlikely that KE and AF will move to their ST buddies in T4.