Translation of futile in Spanish

That was really cool. I flew from Koppenhagen to Thailand and did not know until take off where I wanted to go from Bangkok. We left Germany after midnight. I was really excited to go to a new place.
I'm quite tired too by now. So, if it doesn't work just drop me an email and I'll see it first thing in the morning. I wanted to add new words to the dictionary however the other issues kept me more busy than I have imagined.
It was a short but nice letter from you. I hope that you had a great vacation. I realize that I should practice at least half an hour a day. Vocabulix helps to learn Spanish vocabulary.