HOUSTON (CBSDFW.COM/AP) — United Airlines says it will cut about 100 accounting jobs in Houston in July and shift the work to a contractor.

The airline reported the layoffs in a letter this week to the Texas Workforce Commission. It did not identify the contractor that will handle accounting of revenue from passengers.

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A United spokeswoman said Friday the airline is providing job-search help. She says about 1,200 workers will remain in the downtown building to perform work in information technology, accounting and government affairs.

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United has about 12,000 employees in Houston, including workers based at George Bush Intercontinental Airport.

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Chicago-based United is the nation’s third-biggest airline by revenue behind American Airlines and Delta Air Lines. It’s the result of a 2010 merger with Continental Airlines, which was based in Houston.