It was just last week that the Department of Tourism in Cancun was sending press releases encouraging summer tourists to book hotels now because there was a surge in travelers. Fast forward to today. The peak summer season opened with hotel occupancy in Cancún under the 80 percent mark. Authorities still expect 2.2 million tourists over the next five weeks across the 11 destinations in Quintana Roo, yet fewer air routes into Cancún and persistent…