http://online.wsj.com/article/SB1000...medium=twitter
They banning Mexican codesharing partnership with US Airlines. It does not have a safety concerns.
http://nycaviation.com/2010/07/30/fa...h-us-carriers/
Unfortunately, FAA has already gave banning all Mexican codesharing & Service US expansion is goes on effective immediately.
The U.S. Federal Aviation Administration is set to downgrade Mexico’s safety ranking, restricting its airlines from codesharing with U.S. carriers or expanding Mexican carriers service in the U.S., The Wall Street Journal reported on Friday.