Airport spokeswoman Victoria Lupica says the number is about 26 percent of Wednesday's scheduled flights. But she says the airport is still operating and all runways remain open - and crews will try to keep them clear as the snow intensifies Wednesday night.
Storm warnings and advisories are in effect across the commonwealth, and schools, universities, daycare centers and other places have been closing early. Philadelphia declared a snow emergency as of 7 p.m. Wednesday, ordering cars removed from emergency routes.
Forecasters say the Philadelphia area could get a total of 8 to 12 inches of snow, with Allentown and Easton expected to get 6 to 9 inches and parts of western Pennsylvania up to 10 inches.