BUFFALO, N.Y. — Winter weather sweeping across the country is snarling air travel, triggering thousands of flight delays and cancellations and leaving travelers scrambling for backup plans.
At Buffalo Niagara International Airport, conditions were calm on the ground, even as disruptions mounted nationwide.
According to the flight tracker service FlightAware over 3,000 flights have been delayed and over 4,000 cancelled across the country on Saturday…