A winter storm warning has been issued for New York, New Jersey and Connecticut as the entire region could get blanketed in snow.

With a winter storm moving through the tri-state Sunday afternoon, the New York City metro area’s three major airports were all seeing delays and cancellations. As of 2 p.m. Eastern, Newark Liberty International was seeing 254 cancellations into or out of the airport and another 82 delays Sunday,

The winter storm hitting the tri-state area is significantly affecting air travel, causing cancellations and long delays for flights at John F. Kennedy, LaGuardia, and Newark airports. A handful of flights scheduled to depart the tri-state area have already been canceled,

A winter storm expected to bring heavy snow to Philadelphia on Sunday is already impacting air travel. In Philadelphia and along the Interstate 95 corridor, expect 3-6 inches of snow to fall by the time the snowstorm wraps up Sunday night.