We left the Hilton around 7am to catch our flight.
We ended up getting to the airport early.l, so we check out the Copa Lounge.

When we arrived at BOG, we ended up paying a visiting tax of $75 (since Canada and Colombia have a reciprocity agreement. Colombia does not have this with the US.
When we arrived, I definitely noticed the air being a bit thinner. I just drank plenty of water, and at times took deep breaths to help with this.