MIAMI — Hurricane Ian has caused Florida’s bustling travel industry to come to a near standstill. Hundreds of flights have been canceled, theme parks closed their gates, ports shut down and several cruises are canceled, as Floridians brace for Hurricane Ian after it made landfall around Fort Myers on Wednesday. With South Florida outside the cone of concern, Miami International Airport and Fort Lauderdale-Hollywood International Airport remain open but are experiencing hundreds of flight cancellations. On Wednesday afternoon, MIA reported 491 — 206 arrivals and 214 departures — canceled flight…