
Chicago O'Hare International Airport is the fourth busiest airport in the world. It is recommended that you arrive at the airport 1-3 hours before your flight, depending on your preferences and circumstances. If you are someone with lots of luggage, children, or nerves, you may want to arrive earlier rather than later. The central checkpoint is always the busiest, especially in Terminal 2, so be sure to check out the other checkpoints as well.
| Characteristics | Values |
|---|---|
| How early to arrive for a domestic flight | 1 hour before boarding is fine for most people. 90 minutes is also considered fine. 2 hours is recommended if you are concerned or have lots of bags, kids, or nerves. |
| How early to arrive for an international flight | 3 hours prior to departure |
| Airport code | ORD |
| Location | Chicago, Illinois, across Cook and Dupage counties |
| Address | 10000 W. Balmoral Ave., Chicago, Ill |
| Number of airlines serviced | 44 |
| Ranking | Fourth busiest airport in the world and the fourth busiest in the United States |
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What You'll Learn
- For international flights, the TSA recommends arriving 3 hours early
- For domestic flights, 90 minutes to 2 hours is usually sufficient
- If you have lots of luggage, children, or are nervous, arrive earlier
- O'Hare is the fourth busiest airport in the world
- It's recommended to check the status of your flight before arriving at the airport

For international flights, the TSA recommends arriving 3 hours early
O'Hare International Airport is a busy airport, but security generally moves quickly. The average wait time is 15 minutes, though rarely during busy travel periods, it can be up to 40 minutes. There are 10 security checkpoints across the four terminals, each with designated pre-check lines.
Arriving 3 hours early for an international flight gives you plenty of time to check your bags, get through security, fill your water bottles, use the restroom, find your gate, and grab a snack. If you are someone with a lot of bags, children, or nerves, you may want to arrive at the airport even earlier.
If you are connecting internationally, you can take the shuttle to Terminal 5, which takes 10 minutes between the two farthest points. If you are traveling very early in the morning or late at night and the train shuttle is not running, you can take the shuttle bus, which arrives outside each terminal every 5-15 minutes.
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For domestic flights, 90 minutes to 2 hours is usually sufficient
Chicago O'Hare International Airport is the fourth busiest airport in the world. For domestic flights, it is recommended that you arrive 90 minutes to 2 hours before your flight. This is usually sufficient time to check in, drop off your bags, pass through security, and get to your gate.
One hour before boarding is generally considered sufficient for most travellers. However, if you have lots of luggage, are travelling with children, or simply want to be more relaxed and grab a meal before your flight, you may want to arrive earlier. Some travellers prefer to arrive at the airport with plenty of time to spare to avoid feeling rushed.
If you are flying during peak hours or on a busy travel day, such as a Sunday, you may want to allow for extra time to account for potential traffic delays and longer check-in and security lines at the airport. It is always better to be safe than sorry, and you can always find something to do at the airport while waiting for your flight, such as grabbing a bite to eat or doing some last-minute shopping.
When planning your arrival time, it is also important to consider the check-in process for your specific airline and flight. For example, if you are flying Basic Economy, you may only be able to check in online if you are not checking any bags. In that case, you will need to allow for additional time to check your bags at a counter or kiosk in the airport lobby.
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If you have lots of luggage, children, or are nervous, arrive earlier
If you're travelling with children, nervous about the flight, or have lots of luggage, it's a good idea to arrive at O'Hare earlier than you might otherwise. O'Hare is the fourth busiest airport in the world, so it's worth allowing extra time to navigate the airport and its four terminals.
For nervous travellers, it can be reassuring to have plenty of time to spare. You might want to grab a meal or a coffee, do some shopping, or just relax at the gate before boarding. If you're travelling with children, the ATS people mover train is a great distraction from waiting around. It's also a more child-friendly option than pushing prams and carrying suitcases through the terminals.
If you have lots of luggage, you'll need to factor in time to check your bags at a counter or kiosk in the airport lobby. You can also check your bags in advance through an airline app or website. However, this isn't always an option, and you may still need to visit a check-in counter or kiosk.
For all of these reasons, it's recommended that travellers arrive at O'Hare at least one hour before boarding for domestic flights. If you have lots of luggage, children, or are nervous about travelling, it's a good idea to arrive even earlier—perhaps 90 minutes to two hours before your flight. For international flights, the TSA recommends arriving three hours before departure.
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O'Hare is the fourth busiest airport in the world
Chicago O'Hare International Airport is the fourth busiest airport in the world, serving 80 million passengers in 2024. This figure marked an 8.3% increase in passenger traffic from 2023, though it was still 5% below 2019 levels.
O'Hare's ranking as the fourth busiest airport is all the more remarkable considering the challenges faced by the aviation industry in recent years, including economic uncertainty, geopolitical tensions, and capacity constraints. The airport's resilience in maintaining its position as one of the world's busiest airports is a testament to its efficient management and the importance of Chicago as a global transportation hub.
When it comes to arriving at O'Hare for a flight, it is generally recommended to arrive at least one hour before boarding for domestic flights. However, some sources suggest that 90 minutes to two hours prior to departure is a safer bet, especially if you have multiple bags, children, or are concerned about potential traffic delays. For international flights, it is always best to arrive at least two hours early, if not earlier, to account for potential delays and the additional time needed for customs and security checks.
While arriving early can help ease pre-flight jitters, it is essential to balance this with the potential inconvenience of spending excessive time waiting at the airport. Each individual's comfort level will differ, and it is always a good idea to monitor flight status and stay updated on any potential travel disruptions that may impact your plans.
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It's recommended to check the status of your flight before arriving at the airport
It is always recommended to check the status of your flight before arriving at the airport. This is especially important when travelling through a busy airport like Chicago O'Hare International Airport. Checking your flight status beforehand can help you avoid unnecessary delays and ensure a smooth travel experience. Here are some reasons why it is beneficial to check your flight status in advance:
Real-time Updates:
By checking your flight status before leaving for the airport, you can access real-time updates on any delays or cancellations. This information can significantly impact your travel plans and help you make informed decisions. For instance, if your flight is delayed, you may choose to depart for the airport later, avoiding unnecessary waiting time at the airport.
Traffic Considerations:
Checking the flight status can also help you plan your route to the airport, especially when considering traffic conditions. For example, if your flight is scheduled on a Sunday morning, checking the status beforehand can alert you to potential delays due to heavier traffic, as mentioned in the source. Knowing about potential traffic congestion in advance allows you to adjust your departure time accordingly and arrive at the airport comfortably.
Check-in and Baggage:
Different airlines have specific check-in requirements and baggage policies. For instance, with Basic Economy on United Airlines, you can only check in online if you are not checking a bag. In such cases, knowing the status of your flight beforehand allows you to familiarise yourself with the check-in process and any specific requirements, ensuring a smoother and less stressful experience at the airport.
Peace of Mind:
Checking your flight status in advance can provide peace of mind and reduce travel-related anxiety. Knowing that your flight is on schedule or being aware of any potential issues allows you to plan and prepare effectively. This proactive approach can help you feel more relaxed and in control during your journey to the airport.
In conclusion, checking the status of your flight before arriving at O'Hare International Airport is highly recommended. It enables you to make informed decisions, plan your time effectively, and navigate potential challenges, such as traffic, check-in processes, and baggage-related matters. By staying updated, you can ensure a more efficient and stress-free travel experience.
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Frequently asked questions
The TSA recommends arriving at O'Hare 3 hours before your international flight. O'Hare, or ORD, is the fourth busiest airport in the world, so it's better to be safe than sorry!
For domestic flights, it is recommended that you arrive at O'Hare 90 minutes to 2 hours before departure.
If you have a lot of luggage, are travelling with kids, or are nervous about making your flight, it is recommended that you arrive at the airport much earlier than the recommended time.
























