How can Check-in on the LATAM website?
You must have your reservation code and travel documents to hand to fill in the information required depending on your travel destination.
This service is available between 48 and 2 hours before your flight. (For flights operated by LATAM Airlines Brazil), Check-in opens 72 hours before the flight.)
If you are travelling to one of the following destinations your boarding pass will be given to you at the airport: USA (for flights operated by LATAM Airlines Brazil) Oceania, Australia, Africa, Bolivia and Cuba.