Customer-service agents at American Airlines are voting overwhelmingly to join a union and reverse a "no" vote in 2013.
Federal labour officials announced the results Tuesday in voting that covered about 14,000 employees at airports and reservations centres and home-based agents.
About 86 per cent of those voting are favouring representation by the Communications Workers of America and the Teamsters. The CWA lost a previous election in January 2013 by about 150 votes.
CWA President Larry Cohen says the difference in the outcome is that unlike previous management, American's current executives did not campaign against the union.
Negotiations on a contract covering wages and other items are expected to begin this fall.
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