Weather.com - David Koenig/AP, 9/28/12
AP Photo/M. Spencer Green
In this Thursday, Sept. 20, 2012, file photo, Captain Mike McClellan, ORD Domicile Chairman of the Allied Pilots Association left, joins over 200 American Airline pilots marching on a picket line at O'Hare International Airport, in Chicago.
DALLAS -- American Airlines says if pilots don't end actions that are disrupting flights, it will take their union to court.
A senior American Airlines executive told union leaders that some pilots were conducting "an unlawful, concerted effort to damage the company" by filing more maintenance complaints, flying circuitous routes and other tactics, all leading to a surge in late and canceled flights.
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