Out of all the watches I have gotten, the last one was the only one EMS tracking actually worked for (got watch from Trevor, I think EMS only worked because he is in China). Every other one would say still in China or JFK and would be on my doorstep that day or the next.
I wouldn't worry about it unless it has been stuck there for two weeks. You may want to ask your dealer to see if they could check on the status of it. However, I believe this "stuck at _____ " problem to be VERY common.