F1 CEO Chase Carey says 2020 calendar will be released in the coming weeks. No mention of number of races, but mentions it’ll be a marginal increase, so that’ll be 22.

So that is one of the current races out.

Since Vietnam and the Dutch GP and joining.

Problably Hockenheim? But I’d hate to see that. Mexico is safe, Spain seems aswell.

I can’t think of any other tracks in trouble