I visit Buenos Aires 2 or more times per year and while the city remains great Ezieza Airport is becoming more of a mess each time I visit. In all fairness arrivals are usually OK - in January I deplaned went thru Immigration claimed my bags and was on my way within 30 minutes. Try that in Chicago or JFK ! Now for the bad news: departures are a disaster - I would recommend arriving 3 hours early even if flying First/Business Class. I took nearly an hour to get checked in for a Business Class passenger then you pay the airport tax and head upstairs to security (a breeze) and Argentine Exit Stations (slow) . Boarding Areas are filthy and feature broken down chairs! A final cursory search of your hand luggage occurs at boarding - then you have an 8-11 flight back to the USA. What a mess.