LAN Argentina is the way to go pretty much without exception. Unfortunately the have not yet expanded enough to cover as much of the country as AR
does however heres what you can expect.
Generally a friendly crew if you speak Spanish you might be able to spark a conversation
A very clean airplane
A small snack box containing some peanuts cookies
Complimentary drinks including beer although I am not sure about the wine or if there is any.
Generally a little bit less chaos and more reliability.
I know the head of maintenance for LAN Argentina at AEP
personally as he is a good friend of my dads and he assures me that operations are very safe and they most certainly appear to be
I hope that AR
can eventually be on par. Although I have to say that there has been quite some improvement in the last couple of years and also personally knowing a 737-200 Instructor for the airline (737-200 has been retired) now turned A340 captain he always lets us know on the status of things and they are improving.