Commercial flights will also enter a circular holding pattern around airports if they're not allowed to land for some reason. This video is a really cool examp

Commercial flights will also enter a circular holding pattern around airports if they're not allowed to land for some reason. This video is a really cool example: https://www.youtube.com/watch?v=SdfVIdsufI8 https://www.youtube.com/watch?v=SdfVIdsufI8