Translation of flanco in Spanish-English

The voyage ended finally. I packed my stuffed at around eight o'clock and hurried to the bus-terminal. I had little time left and was afraid that I would miss it and that I had to take the next one.
The sky was dark blue and this is what my sister had told me many years ago when she was there. One of the reasons for that was the altitude of the city, I recall to be it above 2000 meters.
We felt a little awkward to be the only people in the restaurant and felt a little uncomfortable having taken with us another couple. In addition the Uruguayan cook and owner was drunk, but the food was excellent.