NEW YORK (CNN) -- Snowstorms whipped through the Northeast on Friday, causing significant travel delays at airports in the New York area and elsewhere.
The National Weather Service reported that 6 inches inches of snow have accumulated in parts of the New York metropolitan area.
John F. Kennedy International Airport and LaGuardia Airport in New York and Newark International Airport in New Jersey anticipated arrival delays of more than 2˝ hours, according to the Federal Aviation Administration's Web site. Incoming flights at JFK were nearly 4˝ hours late.
The smaller Westchester Airport in New York closed for a period Friday morning for snow removal.
American Airlines canceled 188 flights, or about 8 percent of its total Northeast operations, spokesman John Hotard said.
The majority of JetBlue cancellations Friday were for flights between 11 a.m. and 3 p.m. in New York. Bryan Baldwin, a JetBlue spokesman, said customers whose flights were canceled will be able to get refunds.
Jeff Kovick, a spokesman for United Airlines, said that because United knew it would not be able to operate on Friday afternoon, it canceled flights to prevent people from having to wait at the airport. United has hubs in Washington, D.C., and Chicago, Illinois.
Twenty-seven percent of the flights at Philadelphia International Airport in Pennsylvania were canceled, according to a spokesman for the airport, which averages more than 1,200 flights a day. Travelers were advised to check with individual carriers to determine affected flights.
New Jersey Transit trains and buses were experiencing delays of up to 20 minutes. The Long Island Railroad was running a few minutes behind schedule Friday morning. See photos of the messy weather »
Travelers in other parts of the country were feeling the trickle-down effects of the winter weather. Slow-moving lines and scheduling confusion plagued passengers at Austin-Bergstrom International Airport in Austin, Texas, on Friday morning.
"I'm going west. I was not expecting this, and I'm a little dismayed that there are no announcements or anything. One lady told me to go over there, another over here," said Robert Klocker, who was flying home to Colorado Springs, Colorado.
The National Weather Service said that the snow in the Northeast will continue into the afternoon but that warmer winds later in the day will change the snow to sleet and freezing rain. E-mail to a friend
CNN's Lisa Desjardins contributed to this report