What is the emergency phone number for O'Hare?

The emergency phone number for O'Hare Airport is indeed 773-894-9111. This number is designated for urgent situations or emergencies that require immediate assistance, such as medical emergencies, fire, or security issues. Emergency numbers typically follow a specific format that facilitates quicker access for responders and is consistent with public safety standards. The use of "911" in the number is a common practice adopted by many locations to signal the urgency of the situation and provide a direct line to emergency services. Having an accurate emergency contact number is crucial for maintaining safety and security in an airport environment where rapid response can be vital.