Hey Thor missing departure flights might mean that no matter how hard you try to get things done, there might not be enough time.. or that it is better late than never depending on small details in your dream. You'll find more information if you google meaning of it, it's an important dream.
http://psychiclibrary.com/beyondBooks/being-late-dreams
Good luck on you Zen journey brother!
http://psychiclibrary.com/beyondBooks/being-late-dreams
Good luck on you Zen journey brother!