Is a 1½ hr layover in Chicago long enough?
Yes, 1½ hours is probably enough for a layover at ORD (Chicago).
Is 1½ hours enough for a layover at Chicago Ohare International (ORD)?
Matches the international-to-domestic minimum, allowing time for customs, rechecking bags, and security.
What is the minimum connection time at ORD?
Minimum connection times at Chicago Ohare International: Domestic-to-Domestic is 45 minutes, International-to-International is 75 minutes. These are the shortest layovers airlines will sell.
Can I make a 1½ hours connection at ORD on an international flight?
1½ hours clears the 75-minute international minimum connection time at Chicago Ohare International, but you should still head directly to your gate. The Airport Transit System (ATS), an automated people-mover train, links Terminals 1, 2, 3, and the remote parking/Terminal 5 area in a loop, with rides typically taking 4-8 minutes plus walking to platforms. Passengers arriving internationally at Terminal 5 who are connecting to a domestic flight in Terminals 1-3 must clear US Customs and Border Protection, recheck bags, and go through TSA security again before boarding the train to their next gate.
How much time do I need for a layover at ORD?
We recommend at least 50 minutes for a comfortable connection at Chicago Ohare International. This gives you enough buffer for security (typically 25 minutes) and transit between terminals (up to 30 minutes).
What happens if I miss my connection at ORD?
United and American both have extensive rebooking desks and self-service kiosks in their respective terminals, and their apps often allow automatic rebooking onto the next available flight if you miss a connection due to a delay on their own metal.