DALLAS (

TheStreet

) -- Leaders of

American's

(AMR)

flight attendants met with Wall Street analysts Thursday, challenging the perception that the carrier's principal problem is high labor costs.

"The major focus was to dispel claims made by American and unfortunately perpetuated by some of you that labor is the problem at AA," Laura Glading, president of the Association of Flight Attendants, told reporters on a conference call.

American Airlines planes sit at their gates at John F. Kennedy International Airport.

"What's wrong with American is not labor but

rather its failure to keep pace with its competitors in revenue," Glading said. A report prepared by the union notes that American's revenue per available seat mile increased by 11.1% in the first nine months of 2010, sixth among the six largest carriers including Continental. During the same period,

United

(UAL) - Get Report

RASM grew the most at 21.6%, while

Delta

(DAL) - Get Report

RASM, in fifth place, grew 13.6%.

American has said its cost disadvantage is about $600 million annually. The number represents the carrier's calculation of the average of comparisons if other carriers' contracts were in place at American.

In a prepared statement, American spokeswoman Missy Latham reiterated that "American has among the highest labor costs in the industry, particularly after bankruptcy enabled legacy competitors to cut their costs." She said the $600 million figure "is roughly about a third wages, a third work rules and a third benefits.

"We calculate this disadvantage by taking the wages, benefit costs and work rules at other carriers and applying them to our workforce," Latham said. "The cost difference by carrier ranges from about $200 million up to $1 billion -- taking the average of the carriers gives a difference of about $600 million. In order to position the company to succeed in the long-term, we must ensure our costs are competitive with our industry peers."

Dan Akins, a labor economist contracted to APFA, said analysts agreed that the differential in RASM growth "doesn't seem to be linked to knee-jerk cost issues." He noted that American will likely be able to increase RASM more quickly now that it, like competitors, has

anti-trust immunity with partners across the Atlantic and Pacific.

On that point, American agrees. Executives have said the agreements and a new hub strategy will produce

$500 million in new annual income by 2012.

Meanwhile, although the APFA has asked the National Mediation Board to release it from mediation after 22 months of talks, Glading said the union does not expect action this year. "I wouldn't be surprised if we didn't hear anything over the holiday period," she said. "I would be shocked if we didn't hear anything early in 2011.

"The NMB is sort of overwhelmed," she said. "A tsunami of unions, particularly from the airline industry, is coming or seeking help. There's a big line and they're short-staffed."

Glading also said she does not expect the American flight attendant talks to be influenced by the recent failure of the Association of Flight Attendants to unionize Delta. "I was very disappointed with the results," Glading said. "Management at Delta played some dirty tricks. But Delta has always done what they need to do to keep a union off the property (including maintaining competitive wages) so it shouldn't affect our negotiation." Delta has said it followed the rules; AFA expects to appeal the results.

-- Written by Ted Reed in Charlotte, N.C.

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Ted Reed