Cancun Airport Terminal 2
This terminal is where all the national or domestic flights will arrive, but it will also have some International arrivals from the USA and Europe.
It has two arrival gates now, divided in domestic and International, the domestic arrivals in terminal 2 are on the left hand side of the terminal and the international arrivals are on the right hand side.
There is always a Free Shuttle running every 15 minutes in between terminals and you can see a sign on the sidewalk.
These are the airlines that arrive at terminal 2: