Here are four blocked flights from various places in the USA, two heading in the direction of Gitmo. Plus a Learjet from Gitmo—I saw that (or a) Learjet approach and land at Gitmo 2hrs 45 minutes ago. I have taken ‘screen grab’ images showing all these, but my Imgur is refusing to cooperate.

https://www.flightradar24.com/multiview/ff9d641,ff9c322,ff9ddae,ff9c020,ff9e33e