I know that I read about this previously, but I can't seem to find the thread. My future wife and I will be going to CSA for our honeymoon in June for the first time and this is my first time leaving the country. We are taking a flight out of O'Hare and connecting in Miami. Do we go through customs in Chicago or Miami? I think the connection will be really tight if we have to do so in Miami. Thanks for the help.