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Welcome to the O’Hare Tipline

Operated by the City of Chicago Office of Inspector General (OIG), the O’Hare 21 Tipline is a tool for members of the public, City employees, and contractors to provide confidential information to the OIG.

Tipline Form

You are the first line of defense against fraud, waste, and abuse. Provide your confidential complaints and suggestions regarding work at O’Hare International Airport. If you prefer to speak with someone, please call 833-825-5244 to speak to a intake specialist.

  • Max. file size: 1 GB.