To our knowledge there aren't separate alert levels for airline traffic. Maybe they're just making this up as they go along.
As far as I know it's the first time we've been to Red for International travel. I'm not sure about the domestic level.
I'm trying to get some clarification from higher higher right now before I have to start waking people up.
I'll let you know.
Stay safe.
L
Ah, you stay safe.