More than 5,300 flights have been canceled Wednesday as of 10 a.m. EST, according to flight tracking service FlightAware. Most were scratched well in advance of the fast moving storm. Boston's Logan Airport is closed as of 9 a.m.. It's expected to re-open later Wednesday morning.
Airlines canceling the most flights Wednesday morning were regional operators for bigger airlines, including American Eagle and ExpressJet, which Delta and Continental.
There have been 1,378 flight cancellations at the three area airports today, including 633 at LaGuardia, 460 at Newark and 285 at JFK. Service on most airlines is not expected until after noon. Nearly 900 flights were canceled Tuesday.
On Tuesday, nearly 7,000 flights were canceled. There have been about 13,000 cancellations so far this week as airports from Texas to New England shut down.