If you have any flights booked on US carriers that include legs on ANY Mexican airline, you'd better check your reservations. Here s the notice posted by AA -
"Following the Federal Aviation Administration's decision on July 30 to revise the rating of Mexico's civil aviation authority, U.S. airlines are prohibited from offering codeshare service on any Mexican airline. As a result, we are advising our customers who have already purchased an American Airlines codeshare flight operated by Mexicana that they will be re-ticketed as Mexicana passengers on the same itineraries or they have the option to receive a refund for their purchased flight. Mexicana codeshare flights operated by American or American Eagle are not affected by the FAA's decision.
We are in the process of contacting customers confirmed on these flights to assist with re-accommodation. Affected customers may also call."
"Following the Federal Aviation Administration's decision on July 30 to revise the rating of Mexico's civil aviation authority, U.S. airlines are prohibited from offering codeshare service on any Mexican airline. As a result, we are advising our customers who have already purchased an American Airlines codeshare flight operated by Mexicana that they will be re-ticketed as Mexicana passengers on the same itineraries or they have the option to receive a refund for their purchased flight. Mexicana codeshare flights operated by American or American Eagle are not affected by the FAA's decision.
We are in the process of contacting customers confirmed on these flights to assist with re-accommodation. Affected customers may also call."