Originally Posted by
Tafflyer
Oh, and the inbound having insufficient fuel to reach its destination may point to a severe safety issue, since there are strict rules on having additional fuel on board. They must carry enough to reach a nominated alternative airport after reaching the original destination as well as (I believe) an additional hour of flying.
They had enough fuel to reach their destination, and to divert to another one since ATC couldn't clear them for landing, I do not see any safety issues there.