Yazoo, I disagree. Chile has a healthy economy, a wealthy population, and Santiago de Chile is a very modern, wealthy city. I do consider Chile a modern, first-world nation.
As for LanChile, I have flown them a few times, and throughly enjoy them. IMO, they are a world class airline, and last month installed all-new, state of the art PTV systems in all three classes of all thier 767s and A340s. They have a modern, well kept fleet as well, and, among Latin American airline, they are by far my favourite (I'm sorry, I haven't flown them in two years, but my most recent experiences with AR were not world class). I have flown many airlines considered among the best in the world, and I do consider them up there as one of the world's best, from my own experiences.
LanPeru, they fly JFK-SCL 4x a week and JFK-GYE-SCL 3x a week. They stop in GYE because they are able to offer the only non-stop service between New York and Guayquil, and they have an agreement with Ecuatorania to provide service between the US and Ecuador (LA flies JFK-GYE-SCL 3x a week and MIA-UIO-GYE daily).