Mine 'sat' for at least four days with no apparent movement, cleared customs. It looked like it was still in China. Then it showed up in the UK having cleared customs here.
I think for the actual journey, the tracker doesn't update, which is a shame because that's the interesting part where my PocketChip was at sea, mingling, chatting with the other PCs, having fun and drinking mimosa.
By the time the tracker showed up again it was only 24 hours at most until actual delivery. All of your deliveries will show up any time now.
I have to say, after having mine for a couple of days: it's totally worth the wait.