American Airlines and Air Tahiti Nui Make Codeshare Official CheapOair Staff July 22, 2012 general American Airlines/TN Codeshare in Effect! American Airlines (AA) and Air Tahiti Nui joined forces this week in a codeshare agreement. It was approved by the Department of Transportation. Both sides are still working on implementing the program but some of the details go like this: Air Tahiti Nui’s code, ATN, will be available to go on AA’s flights between Los Angeles and the following cities – Boston, New York (JFK ), Washington D.C (IAD), Miami, Dallas Ft Worth, Austin, Houston, Chicago ( ORD), Denver, Salt Lake City, Reno, Las Vegas, Phoenix, Tucson, San Francisco, San Jose and San Diego. AA’s code will be available on Air Tahiti’s flights between LAX and PPT. We will get you more as the story develops. Don't forget to follow us on Twitter for exclusive travel deals!