India, Dec. 27 -- Heavy snowfall disrupted holiday travel across the Northeast and Great Lakes regions, leading to widespread flight cancellations and delays as thousands of Americans travelled during the busy Christmas-New Year period.

At least 1,500 flights were cancelled starting Friday night, according to flight-tracking service FlightAware, according to a report by the Associated Press.

Conditions improved by Saturday morning as roads were cleared and air traffic began to stabilise.

New York City recorded about four inches of snow from Friday night into early Saturday, slightly less than some forecasts had predicted.

"The storm is definitely winding down, a little bit of flurries across the Northeast this morning," said Bob Orave...