That's the kind of data I was looking for.
I was shooting for 5 hours before the plane leaves, ie a 2,5 hours buffer for weather contingencies. Sounds about right.
Does anyone know what the delay was on thursday in the Boston-NYC Northeast Regional? I want to have a "worst case scenario" (or very bad case actually) idea of how long the delays due to snowstoms were. I have to take a plane from JFK airport in a few days and I'd like to know how much time to...