issued for the coast of massachusetts. we're seeing is more frustrating cancellations and delays at some of the nation's biggest and busiest airports. this winter has been brutal for air travel with a record number of cancellations, apparently more than we've seen in a quarter century. cnn's rosa flores is standing by at laguardia in new york. but first reagan national airport outside of washington. >> brianna, yesterday was the single-worst travel day yet this winter. let me give you the numbers because it does show you how extensive all the delays and cancellations have been. in the last 36 hours there have been over 8,000 cancellations, but that doesn't even include, brianna, the delays. let me show you what people at reagan national are seeing. this is the board everyone fears seeing their flight up on. look at these cancellations and note that these are in the new york area. that's where we're still seeing