I am more upset by the way Avianca treated its customers. They have not been forthright. The decision to deliberately withhold our luggage should have been communicated to us. The duty of good airlines would be to take the hassle out of travelling, to make it an enjoyable experience.
Finally, when it comes to air travel, I am thankful I have a choice in carriers.
What happened at the end? When did your stuff arrive? Did they bring it to your hotel, or did you have to go back to the airport?