The countdown to Cuba is officially underway at United Airlines after the U.S. Department of Transportation (DOT) awarded the company final approval to launch service to Havana from two of its hubs this fall. Beginning Nov. 29, United will start daily nonstop flights to the Cuban capital from New York/Newark and Saturday nonstop service from Houston with both services subject to government approval. Customers can begin booking flights to Havana via united.com today.