Travellers sit near their luggage inside the JetBlue Airways terminal at John F. Kennedy International Airport in New York, January 6, 2014. JetBlue Airways said it planned to suspend flights at New York and Boston airports later on Monday, and gradually resume them on Tuesday, as extreme cold hobbled airline operations in the U.S. Midwest and Northeast regions. REUTERS/Shannon Stapleton (UNITED STATES - Tags: TRANSPORT ENVIRONMENT)