Originally Posted by
fastair
Sykes is correct. Airlines don't get to submit certain data and exclude wx/atc. If that was the case airlines with hubs in ewr/JFK/lga would have HA like ontime numbers. They all count. Heck, even ord, with the Obama related atc issues doesn't get to exclude delays that are caused by presidential fundraising/campaigning trips or weekends home. They all count.
OK. I will go w your more up to date info. Years ago I know as a fact that was not the case as I used to put those numbers together for a legacy carrier to submit to the DOT. But it has been some time since then and that was my one and only job in the airline industry.