UK2 are very slow. I wonder if they forgot to press the button.
GoDaddy are not much better. I went on there last night and did a quick brain storm around my topic area paid for 6 that were supposed to be available 2 came back positive almost immediately the others are still in limbo.
I should have learned I once used a drop catcher months before a domain was going to drop and forgot all about it. One day I woke up and my pea sized brain fell into place. I went onto a registrar site to check the domain which, it turned out had dropped 6 days earlier. I bought it and proceeded to hit the drop catcher with a tirade, got a refund but I could so easily have missed recovering a domain that was important to me.