O’Hare International Airport (IATA: ORD, ICAO: KORD) is one of the world’s busiest and most well-connected airports. Located about 27 kilometres (17 miles) northwest of downtown Chicago, Illinois, ORD is a significant hub for domestic and international flights. The airport is a key base for United Airlines and American Airlines and is essential in global aviation.

O’Hare handles over 80 million passengers annually and is known for its expansive terminal complex, extensive route network, and central location, which makes it a key connection point for transcontinental and international travel.

The airport offers various airlines, services, shops, and restaurants, making it a complete travel hub for domestic and international flights. Its infrastructure includes multiple terminals, extensive ground transportation options, and up-to-date facilities that help manage the high volume of travellers efficiently.

Many airlines operate from O’Hare, providing passengers with numerous flight choices and convenient connections. Its large size and modern amenities make it essential for business and leisure travellers. For more details on airlines and airport services, see Chicago O’Hare International Airport.

General Information

Location: Chicago, Illinois
Country: United States
Airport Type: Public, International
IATA Code: ORD
ICAO Code: KORD
Elevation: 668 feet (204 metres)
Coordinates: 41°58′50″N 87°54′17″W
Timezone: UTC−6 (CST) / UTC−5 (CDT during Daylight Saving Time)
Distance from City Centre: Approx. 27 km (17 miles) northwest of downtown Chicago
Website: www.flychicago.com/ohare
Operator: Chicago Department of Aviation
Services: Scheduled domestic and international flights, cargo, and general aviation

Airport Details

Runways: 8
Runway Designations and Lengths:
04L/22R: 2,286 m (7,500 ft) – Concrete
04R/22L: 3,658 m (12,001 ft) – Concrete
09L/27R: 2,743 m (9,000 ft) – Concrete
09R/27L: 2,286 m (7,500 ft) – Concrete
10C/28C: 3,658 m (12,001 ft) – Concrete
10L/28R: 2,743 m (9,000 ft) – Concrete
10R/28L: 3,962 m (13,000 ft) – Concrete
15/33: 2,286 m (7,500 ft) – Concrete
Runway Surface: Concrete
Runway Strength: Supports all aircraft up to Code F
Fire Services: ARFF Category 10
Tower Frequency: Available
Ground Frequency: Available
Navigation Aids: ILS CAT III, RNAV, VOR/DME, GPS
Customs and Immigration: U.S. CBP available 24/7 for international commercial and GA traffic
Aircraft Types: All aircraft, including regional, narrow-body, wide-body, and business jets
Terminals: 4 passenger terminals (1, 2, 3, and 5) with multiple concourses
Cargo Facilities: FedEx, UPS, DHL, and Amazon Air operations
Fuel: JET A, AVGAS
FBOs: Signature Flight Support, Atlantic Aviation
Equipment: GPU, de-icing, potable water, lavatory, hangar space, maintenance
Ground Services: Full commercial, general, and VIP aviation handling

Flight Operations

Permit Time: 24–48 hours for international general aviation with prior CBP coordination
Permission Required: Yes, for non-scheduled and foreign-registered aircraft
Slots: Required for all arrivals and departures due to high traffic
Aircraft Types: All aircraft up to Code F
Alternate Airports:
MDW: Chicago Midway International Airport
PWK: Chicago Executive Airport
UGN: Waukegan National Airport

Contact Information

Enquiries: +1 800-832-6352
Email: aviation@flychicago.com
FBO Coordination: Via respective FBOs or through airport operations

Passenger Information

Immigration Requirements: U.S. visa, ESTA, or passport as per entry requirements
Crew Requirements: Passport, crew ID/licence, General Declaration, visa/ESTA if required
Transport Options: CTA Blue Line train, taxis, Uber/Lyft, rental cars, hotel shuttles
Nearby Accommodation:
Close to Airport: Hilton Chicago O’Hare Airport, Loews Chicago O’Hare Hotel, Hyatt Regency O’Hare
In Chicago: The Peninsula Chicago, Trump International Hotel & Tower, Palmer House Hilton
Currency: U.S. Dollar (USD); all major cards accepted

Historical Development

O’Hare was chosen as Chicago’s new airport site in 1945. It grew rapidly from a military airfield into a commercial hub. By the 1950s, it handled increasing passenger numbers, and continuous expansions followed.

Over the decades, O’Hare has become one of the busiest airports globally. To meet growing air traffic, it introduced multiple runways and terminals. Modernisation projects have upgraded facilities and improved the passenger experience.

The airport’s history reflects Chicago’s importance as a transport centre in the US. It continues to develop with new technology and infrastructure improvements to maintain its significant role in air travel.

Airport Layout and Terminals

O’Hare consists of four passenger terminals and nine concourses, each with 182 gates. The layout is designed to handle large passenger volumes efficiently.

Terminals are connected by trains and shuttle buses, making transfers straightforward. Facilities include free Wi-Fi, charging stations, nursing rooms, and pet relief areas, which cater to travellers’ needs during layovers.

The airport’s layout supports both domestic and international flights. Terminal security and customs facilities are structured to speed up the passenger process. Its design balances capacity with passenger comfort.

Major Airlines and Destinations

O’Hare is a hub for several major airlines, including United Airlines and American Airlines. These carriers operate many daily flights to cities across the US and the world.

Destinations range from short domestic trips to long-haul international routes. O’Hare ranks as one of the most connected airports in the US and the world, linking travellers to over 200 locations.

The airport supports a vast network of airlines, offering an extensive choice and convenience. This makes it a key gateway for business and leisure travellers seeking global access. For more details, visit the official O’Hare International Airport website.

Passenger Experience

O’Hare International Airport offers a range of services designed to make travellers’ time at the airport smoother and more comfortable. Facilities focus on convenience, while accessibility ensures all passengers can easily move. Options for shopping and dining are varied, catering to different tastes and needs.

Facilities and Amenities

O’Hare has multiple terminals with clear signage to help passengers find their way easily. Free Wi-Fi is available throughout the airport, allowing travellers to stay connected. Charging stations for electronic devices are placed in many seating areas.

Lockers and baggage storage services are available for short-term use. The airport also offers comfortable lounges, including paid access and airline-exclusive options. Restrooms are clean and well-maintained, with family-friendly facilities in several locations.

Travel assistance desks are in all terminals, providing information and help when needed. The airport has also expanded with Satellite Concourse One, which offers more gate space and a modern environment to reduce congestion.

Accessibility and Services

O’Hare is committed to providing accessible services for all passengers. Wheelchairs and electric carts can be requested in advance or at the airport. Clear pathways, ramps, and elevators are available throughout all terminals.

Special assistance is offered for passengers with disabilities, including support for hearing and visually impaired travellers. Service animals are welcome in all areas. There are also accessible restrooms and designated parking spaces close to terminal entrances.

The airport staff is trained to assist passengers with mobility challenges or other support needs. This ongoing focus on accessibility helps ensure a smooth experience from arrival to departure. The airport’s accessibility page has more detailed information.

Shopping and Dining Options

O’Hare offers various shops ranging from luxury brands to convenience stores. Passengers can buy electronics, travel essentials, souvenirs, clothing, and gifts. Many outlets are located near the gates for easy access while waiting.

Dining options include fast food, casual restaurants, and sit-down establishments. Cuisine varies from classic American favourites to international dishes. Cafés and bars offer coffee, snacks, and alcoholic beverages.

Many dining spots accommodate dietary needs with vegetarian and gluten-free options. Opening hours are extended to suit early morning and late-night flights. The mix of shopping and dining contributes significantly to the overall passenger experience. More details are available on the services and amenities page.

Transport and Connectivity

O’Hare International Airport offers multiple ways to reach the city and surrounding areas. It provides a range of options for drivers and those using public transport. Efficient services help travellers move quickly between terminals and into downtown Chicago.

Ground Transportation

O’Hare is served by the Chicago Transit Authority (CTA) Blue Line train, which connects the airport directly to Chicago’s Loop in about 45 minutes. This is a popular, affordable option for many travellers. The station is located underground in the airport complex.

Several PACE buses also link O’Hare to nearby suburbs. Taxis and ride-share services are available at all terminals, with marked dedicated pick-up zones.

For easy travel inside the airport, the fully automated Airport Transit System (ATS) runs frequently between terminals and parking areas. It helps passengers move quickly without long waits.

More information on public transit options is available at Public Transit | Chicago O’Hare International Airport (ORD).

Parking and Car Hire

O’Hare provides various parking choices, including short-term, long-term, and economy lots. Short-term parking is close to the terminals and best for quick visits or pickups. Long-term parking is more affordable but farther away, with shuttle service included.

Rental car companies operate from Terminal 5 and a central facility near the airport. Most major providers are available with desks in the terminal and easy shuttle access.

Drivers can also use designated areas for express drop-off and pick-up, reducing waiting time near the terminals.

For full details on parking and car hire at O’Hare, see Getting To and From O’Hare International Airport – Flychicago.

Sustainability and Future Expansion

O’Hare International Airport focuses on reducing its environmental impact while preparing for increased passenger and cargo traffic. Efforts include energy-efficient design, water conservation, and plans to expand facilities with sustainable technology.

Environmental Initiatives

The airport holds 12 certifications recognising its sustainable design and construction efforts. It uses high-performance glass across large areas to reduce heating and cooling demands. Water efficiency measures help minimise waste through modern plumbing and recycling systems.

O’Hare also works to lower its carbon footprint by improving energy use in terminals and cargo areas. These efforts align with city-wide environmental goals and support cleaner operations. The airport’s green initiatives extend to landscaping with native plants that require less water and maintenance.

Planned Modernisation Projects

The Terminal 5 expansion aims to increase capacity and improve passenger experience using sustainable technology. It incorporates materials and systems designed to earn LEED Silver certification, focusing on energy savings and water efficiency.

The project features 40,000 square feet of high-performance glass to improve lighting and insulation. Cargo facilities are also expanding with an emphasis on efficiency and reduced environmental impact. These modernisation efforts prepare O’Hare for future travel demands while maintaining sustainability standards.

For more details, visit O’Hare’s page on green construction and the Terminal 5 Expansion and Modernization.

Local Attractions

Millennium Park

An iconic downtown park featuring Cloud Gate (“The Bean”), the Crown Fountain, and outdoor concerts.

Art Institute of Chicago

It is one of the oldest and largest art museums in the United States, and its collection is world-renowned.

Navy Pier

A family-friendly destination on Lake Michigan with rides, restaurants, shops, and cultural events.

Willis Tower Skydeck

Experience stunning views of Chicago from the 103rd floor of one of the tallest buildings in the Western Hemisphere.

Magnificent Mile

A vibrant section of Michigan Avenue is known for luxury shopping, dining, and architectural landmarks.

Museum of Science and Industry

A large museum offering interactive exhibits on science, technology, and innovation.

Travel Tips

Best Times to Visit:
Apr–Jun and Sep–Oct: Pleasant temperatures and fewer crowds
Winter: Popular for holiday travel, but snow may cause delays

Additional Notes:
O’Hare is one of the world’s top airports for connectivity and passenger volume.
Skylink and ATS trains help travellers navigate between terminals efficiently.
ORD is undergoing a significant expansion project to enhance passenger flow and terminal capacity
Early arrival is recommended due to high passenger volumes, especially during peak travel.

Frequently Asked Questions – O’Hare International Airport

Passengers often need clear information on security wait times, terminal navigation, specific facilities, and procedures for international arrivals. Knowing where to find flight updates and how to respond to cancellations is also essential for a smooth travel experience.

What are the typical wait times for the O’Hare International Airport security checks?

Wait times can vary depending on the time of day and terminal. Early mornings and late evenings are usually less busy. During peak hours, passengers may wait 20 to 40 minutes at security.

How can one navigate between different terminals efficiently?

O’Hare has a free airport transit system that connects all terminals. The “Airport Transit System” (ATS) runs frequently and is the quickest way to move between terminals. Walking paths also connect Terminals 1, 2, and 3.

What facilities are available in Terminal 5?

Terminal 5 mainly serves international flights. It offers customs and immigration processing, baggage claim services, and multiple dining and shopping options. Passengers can also find lounges and currency exchange counters.

What protocols are in place for international arrivals?

International travellers go through customs and immigration at Terminal 5. Health and security screenings are conducted according to US regulations. Baggage claims and customs checks follow before passengers can exit the terminal.

Where can I find the latest updates on flight departures?

The airport’s official website provides real-time flight information. Flight status boards are located throughout each terminal. Passengers can also use mobile apps linked to O’Hare for the latest updates.

What should passengers do in the event of a flight cancellation?

Passengers should contact their airline directly for rebooking or refunds. The airport provides customer service counters to assist with cancellations. It is advisable to check airline policies and monitor updates via the official Chicago O’Hare International Airport FAQ.