What a sh*show...
https://www.fly.faa.gov/ois/?legacy=true
Staffing ground delay programs at AUS, BNA, DFW, EWR, JFK, LGA, ORD, PHX, YYZ + airspace flow programs in Jacksonville/Miami and PHL Tracon.
Add in some weather GDP's at YUL, ORD, MCO and SAN, and the whole continent is a mess.