The tail of an Avianca Airbus A330. Photo: LatinFlyer.com An Avianca A330 at Bogota El Dorado Airport. Photo: LatinFlyer.com A boarding gate at the Avianca domestic terminal at Bogota’s El Dorado Airport. Photo: LatinFlyer.com I’m headed to Cartagena, Colombia, today, and already the experience of flying Avianca is proving a bit different from most airlines….