Translation of karat in Spanish

At noon we drove back to the tiny airport near the city and a few moments later we were already in the skies. The flight to Saigon, today's name Ho Chi Minh city, lasted more or less one hour.
I wish you would help me to improve my Spanish. I am studying law in Germany and I am trying to learn Spanish. I hope you can help me and I could help you to learn German. Have a great day.
We were a little sad that we had to leave Peru so soon, but we had to take the 7.30 bus which would take us to the Chilean border. Chile and Argentina were still the main destinations of our trip.