 And we're following those delays and cancellations at our regional airports. At Reagan National Airport, we're seeing more than 40 delays and nearly 30 cancellations. Dulles Airport has about 60 delays and 20 cancellations this morning. And BWI Marshall has nearly 100 delays and 9 cancellations. Some larger airports have shut down entirely this morning, including Boston's Logan International Airport and LaGuardia in New York.